Free Printable STATISTICS & PROBABILITY-G11

1.

a)

3

b)

8

c)

9

d)

7

2.

a)

5

b)

7

c)

8

d)

9

3.

a)

4

b)

8

c)

9

d)

not enough information

4.

a)

$0

b)

$2

c)

$9

d)

$12

5.

a)

No, the mean to MAD ratio was less than 1 therefore distributions are similar

b)

No, the mean to MAD ratio was greater than 1 therefore distributions are not similar

c)

Yes, the mean to MAD ratio was less than 1 therefore distributions are similar

d)

Yes, the mean to MAD ratio was greater than 1 terefore distributions are not similar

6.

a)

The mean to MAD ratio is less than 1, therefore Sample 1 and Sample 2 have similar distributions

b)

The mean to MAD ratio is >=1 but <=2.5, Sample 1 and Sample 2 have somewhat similar distributions

c)

The mean to MAD ratio is >2.5, therefore Sample 1 and Sample 2 do not have similar distributions

d)

Not enough information

7.

a)

A and B

b)

A, B and C

c)

A, B and D

d)

A, B, D, and E

8.

a)

(a)12 (b) 1/12 (c) 1/2

b)

(a)12 (b) 1/2 (c) 1/12

c)

(a)6 (b) 2/3 (c) 3/2

d)

(a)12 (b) 2/3 (c) 3/2

9.

a)

.167

b)

30

c)

33

d)

42

10.

a)

1/6

b)

1/4

c)

1/3

d)

5/12

11.

a)

No, P(red,blue)=2/3

b)

No, P(red,blue)=1/9

c)

Yes, P(red,blue) = 1/2

d)

No, P(red,blue)=0

12.

a)

8

b)

9

c)

18

d)

27

13.

It is used to describe the entire population being studied.

a)

Mean

b)

Population

c)

Statistics

d)

Parameter

14.

A die is rolled. Find the probability that an even number is obtained.

a)

1/2

b)

1/3

c)

3/6

d)

{2,4,6}

15.

Find the mean of:

1, 3, 4, 6, 6, 7, 8

a)

7

b)

5

c)

35

d)

1/7

16.

WHO IS YOUR PRESIDENTIAL BET?

a)

LENI ROBREDO

b)

BONGBONG MARCOS JR.

c)

MANNY PACQUIAO

d)

PING LACSON

e)

ISKO MORENO

17.

The poll on presidential bet is an example of _______.

a)

Population

b)

Parameter

c)

Sample

d)

Statistic

18.

In the bell curve of the normal distribution, the middle part represents the (a) .

19.

The MEAN in the standard normal distribution represents what value?

(a)

20.

THE BELL CURVE SHOWS WHAT KIND OF DISTRIBUTION?

a)

below z = - 1

b)

below z = -1 and

z = 3

c)

above z = - 1

d)

above z = -1 and

z = 3

21.

Which formula gives the Probability distribution shown by the table?

a)

P(x)= 1/x

b)

P(x)= x/6

c)

P(x)= 6/x

d)

P(x)= 1/6x

22.

If P(x)= x/6, what are the possible values of x to be a probability?

a)

0,2,3

b)

1,2,3

c)

2,3,4

d)

1,1,2

23.

What is the mean of the probability distribution?

a)

1.5

b)

1.2

c)

1.6

d)

1.8

24.

What is the variance of the probability distribution?

a)

0.75

b)

1.00

c)

. 1.25

d)

0.50

25.

What is the standard deviation of the probability distribution?

a)

1.00

b)

0.87

c)

1.12

d)

0.71

26.

Identify whether the given variable is discrete or continuous.

Number of books in the library

a)

Discrete Variable

b)

Continuous Variable

27.

Identify whether the given variable is discrete or continuous.

Lifetime in hours of 15 flashlights

a)

Discrete Variable

b)

Continuous Variable

28.

Identify whether the given variable is discrete or continuous.

Number of tourists each day in museum

a)

Discrete Variable

b)

Continuous Variable

29.

Identify whether the given variable is discrete or continuous.

Capacity of water dams in the region

a)

Discrete Variable

b)

Continuous Variable

30.

Identify whether the given variable is discrete or continuous.

Weight of Grade 11 students

a)

Discrete Variable

b)

Continuous Variable

31.

_______ is a part of a group being surveyed.

a)

Sample

b)

Population

c)

Random Sample

d)

Quartile

32.

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

a)

9

b)

10

c)

11.5

d)

12.5

33.

What is the median of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

a)

9

b)

11

c)

10

d)

12

34.

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

a)

5/11

b)

5/6

c)

1/3

d)

5

35.

The data set: 12, 9, 10, 8, 1, 10, 6

What is the median?

a)

8

b)

9

c)

10

36.

The data set: 12, 9, 10, 8, 1, 10, 6

What is the mode?

a)

10

b)

8

c)

7

d)

5

37.

The bakery has three donuts on the shelf:

Glazed -- 75

Chocolate -- 10

Sprinkles -- 15

What is the probability someone randomly selects glazed? Make sure you simplify your fraction.

a)

75/100

b)

3/4

c)

75

d)

4/3

38.

y = mx + b

Which letter in this equation stands for the y-intercept?

a)

y

b)

m

c)

x

d)

b

39.

Which formula gives the Probability distribution shown by the table?

a)

P(x)= 1/x

b)

P(x)= x/6

c)

P(x)= 6/x

d)

P(x)= 1/6x

40.

If P(x)= x/6, what are the possible values of x to be a probability?

a)

0,2,3

b)

1,2,3

c)

2,3,4

d)

1,1,2

41.

Identify whether the given variable is discrete or continuous.

Number of books in the library

a)

Discrete Variable

b)

Continuous Variable

42.

Identify whether the given variable is discrete or continuous.

Lifetime in hours of 15 flashlights

a)

Discrete Variable

b)

Continuous Variable

43.

Identify whether the given variable is discrete or continuous.

Number of tourists each day in museum

a)

Discrete Variable

b)

Continuous Variable

44.

Identify whether the given variable is discrete or continuous.

Capacity of water dams in the region

a)

Discrete Variable

b)

Continuous Variable

45.

Identify whether the given variable is discrete or continuous.

Weight of Grade 11 students

a)

Discrete Variable

b)

Continuous Variable

46.

1. A variable that can be discrete or continuous is called ____________.

a)

Random Notation

b)

Random Sample

c)

Random Variable

d)

Random elimination

47.

Which of the following is a variable whose value is obtained by measuring?

a)

Continuous

b)

Discrete

c)

Interval

d)

Nominal

48.

Which of the following is an example of discrete variable?

a)

Distance travelled between tricycles

b)

Height of the students in a certain class

c)

Number of red marbles in the basket

d)

Weight of student

49.

Continuous random variable is a numerical quantity derived from the outcome of an experiment that can be _______________.

a)

Counted

b)

Measured

c)

Manipulated

d)

Traced

50.

Which of the following statement DOES NOT describe a discrete random variable?

a)

The number of siblings in your family.

b)

The number of affected individuals by “Covid- 19” pandemic.

c)

The height of your brother in centimeters.

d)

The number of qualified family in “Social Amelioration Program”.

51.

If a coin is tossed, what are the possible values of the random variable for the number of heads?

a)

0,1

b)

0,1,2

c)

1,2,3

d)

0,1,2,3

52.

If two coins are tossed, which is not a possible value of the random variable for the number of heads?

a)

0

b)

1

c)

2

d)

3

53.

Which of the following is a discrete random variable?

a)

the average amount of electricity consumed

b)

the number of patients in a hospital

c)

the amount of paint used in repainting a building

d)

the average weight of female athletes

54.

A variable whose value could be a finite and countable number is a ________________.

a)

Continuous Variable

b)

Discrete Variable

c)

Random Variable

d)

Measured Variable

55.

Suppose you tossed two coins. What are the sample spaces for this experiment?

a)

HH, TT

b)

HH, HT, TT

c)

HH, TH, TT

d)

HH, HT, TT, TH

56.

It is the weighted average of the possible values that the random variable can take.

a)

mode

b)

variance

c)

standard deviation

d)

mean

57.

They describe the amount of spread in a distribution.

a)

mode

b)

variance

c)

percentile

d)

median

58.

Which of the following is the formula in finding the mean of the probability distribution?

a)

$\sqrt{\sum_{ }^{ }X\cdot P\left(X\right)}$

b)

$\sqrt{\sum_{ }^{ }X^2\cdot P\left(X\right)-\mu^2}$

c)

$\sum_{ }^{ }X^2\cdot P\left(X\right)$

d)

$\sum_{ }^{ }X^{ }\cdot P\left(X\right)$

59.

Identify the value that should be placed in the question mark.

Note: Remember your answer in each item so that you can use your time wisely.

a)

0.2

b)

0

c)

0.3

d)

0.1

60.

Identify the value that should be placed in the question mark.

Note: Remember your answer in each item so that you can use your time wisely.

a)

0.3

b)

0.4

c)

0.5

d)

0.6

61.

What is the the total area under the standard normal distribution curve?

a)

100

b)

25

c)

.5

d)

1

62.

A normal curve has a ____ shape.

a)

skewed left

b)

skewed right

c)

bimodal

d)

symmetrical

63.

What shape is a normal distribution curve?

a)

Half curve

b)

Round curve

c)

Bell curve

d)

Square curve

64.

The center of the curve represents what value of a data set?

a)

μ = population mean

b)

δ = population standard deviation

c)

Σ= sum of the data values

d)

Ζ = z or standard scores

65.

In a normal curve,

a)

the mean is greater than the median

b)

the mean is less than the median

c)

the mean is equal to the median

d)

who knows

66.

On the normal curve graph, the positive standard deviations represent values ABOVE or BELOW the mean?

a)

ABOVE

b)

BELOW

67.

Which measure goes in the center of the Normal Curve?

a)

standard deviation

b)

mean

c)

median

d)

mode

68.

Which is NOT a characteristic of normal distribution?

a)

Symmetrical

b)

Bell-shaped

c)

Random

d)

Continuous

69.

The normal curve is symmetrical about the mean.

a)

True

b)

False

70.

Find the missing value, p to make this a valid probability distribution.

a)

0.17

b)

0.20

c)

0.19

d)

0.16

71.

The table above shows a television station's advertisement sales. The distribution of sales for one 24-hour day is given. Solve for the mean. Round to the nearest hundredth.

a)

31.8

b)

15.68

c)

0.20

d)

1.00

72.

It is described as how scattered or spread out the scores from the other.

a)

Mean

b)

Standard Deviation

c)

Variance

d)

Average

73.

Find the mean of the probability distribution

(a)

74.

Which measure goes in the center of the Normal Curve?

a)

standard deviation

b)

mean

c)

median

d)

mode

75.

TRUE or FALSE: There are two types of standard deviation: population and sample.

a)

True

b)

Sometimes true, sometimes false

c)

False

76.

The normal curve is symmetrical about the mean.

a)

True

b)

False

77.

_______ is a part of a group being surveyed.

a)

Sample

b)

Population

c)

Random Sample

d)

Quartile

78.

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

a)

9

b)

10

c)

11.5

d)

12.5

79.

What is the median of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

a)

9

b)

11

c)

10

d)

12

80.

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

a)

2/18

b)

1/9

c)

2/20

d)

1/10

81.

What is the sample space for the spinner?

a)

8

b)

6

c)

1,2,3,4,5,6,7,8

82.

What is the probability you spin something larger than 10

a)

5

b)

3/10

c)

10/15

d)

3/8

83.

What is the probability you spin an odd number and not yellow?

a)

5/18

b)

1/9

c)

1/3

d)

4/9

84.

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

a)

1/9

b)

3/9

c)

Susan 2

d)

5/6

85.

Probability can be between what two numbers?

a)

10 and 20

b)

0 and 100

c)

0 and 1

d)

All Numbers are possible

86.

Find the probability of rolling greater than a 1 on a single die.

a)

6/6

b)

5/6

c)

4/6

d)

1/6

87.

Which of the following describes theoretical probability?

a)

a. Perform an experiment to determine the probability

b)

a. Determining the expected probability of an event

c)

a. Perform a simulation and count the number of possible outcomes

d)

a. Use trials to count the number of desired outcomes

88.

Experimental Probability is:

a)

What Will happen

b)

What actually happens

c)

What should happen

d)

What I think Happens

89.

How many total outfit options are represented?

a)

12

b)

22

c)

6

d)

3

90.

A small veterinary practice currently has 95 patients that they see regularly. Twelve of the animals are birds, 22 are cats, and 61 are dogs. An emergency call comes into the office, what is the probability that the animal that needs to be seen is a dog?

a)

$\frac{83}{95}\approx0.8737$

b)

$\frac{73}{95}\approx0.7684$

c)

$\frac{61}{95}\approx0.6421$

d)

none of these

91.

A small veterinary practice currently has 95 patients that they see regularly. Twelve of the animals are birds, 22 are cats, and 61 are dogs. An emergency call comes into the office, what is the probability that the animal that needs to be seen is a cat or a dog?

a)

$\frac{83}{95}\approx0.8737$

b)

$\frac{73}{95}\approx0.7684$

c)

$\frac{61}{95}\approx0.6421$

d)

none of these

92.

A small veterinary practice currently has 95 patients that they see regularly. Twelve of the animals are birds, 22 are cats, and 61 are dogs. An emergency call comes into the office, what is the probability that the animal that needs to be seen is not a cat?

a)

$\frac{83}{95}\approx0.8737$

b)

$\frac{73}{95}\approx0.7684$

c)

$\frac{61}{95}\approx0.6421$

d)

none of these

93.

When a scatter plot has a trend that is linear, you can estimate the equation for the...

a)

Line of best fit

b)

Slope

c)

y-intercept

d)

None of the above

94.

A survey showed that 28% of adults do not own a cell phone. Out of 1,550 adults, predict how many would say that they do not own a cell phone.

a)

4340

b)

434

c)

55

d)

1522

95.

What is the probability that a person chooses basketball as their favorite sport?

a)

20

b)

20/50

c)

2/5

d)

20%

96.

A survey should always be ____ and ____.

a)

random and biased

b)

random and unbiased

97.

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

a)

thirty students who are often tardy

b)

thirty students who are rarely tardy

c)

thirty of her friends

d)

thirty randomly selected students from her school

98.

A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.

a)

y = 1.5x + 12

b)

y = 12x + 1.5

c)

y = 0.67x - 8

d)

y = -8x + 0.67

99.

Write the equation for the linear regression shown.

a)

$y=ax+b$

b)

$y=0.6x+0.1$

c)

$y=0.72x+r$

d)

$y=0.1x+0.6$

100.

Describe the correlation in the graph shown.

a)

Strong Negative

b)

Strong Positive

c)

Weak Negative

d)

Weak Positive

101.

Which scatter plot shows no relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

102.

holidays in a year

a)

continuous

b)

discrete

103.

speed of an automobile in km/hr

a)

continuous

b)

discrete

104.

weight of dressed chicken in a supermarket

a)

continuous

b)

discrete

105.

concert tickets sold

a)

continuous

b)

discrete

106.

length of time needed to solve a problem

a)

continuous

b)

discrete

107.

number of building permits issued each month in a municipality

a)

continuous

b)

discrete

108.

width of a rectangular lot

a)

continuous

b)

discrete

109.

number of text messages sent

a)

continuous

b)

discrete

110.

female faculty in a school

a)

continuous

b)

discrete

111.

a dam’s water level expressed in meters

a)

continuous

b)

discrete

112.

What do you call a random variable with possible values that form a finite or countable set?

a)

continuous

b)

discrete

c)

finite

d)

infinite

113.

What term is used to describe the average value of a discrete random variable over numerous trials of an experiment?

a)

mean

b)

probability

c)

standard deviation

d)

variance

114.

Which of the following represents the amount of spread, dispersion, or variability of the items in a distribution?

a)

mean or expected value

b)

median and mode

c)

outcomes and probability distribution

d)

variance and standard deviation

115.

Which of the following is also equal to the square root of the variance?

a)

mean

b)

median

c)

probability

d)

standard deviation

116.

How would you interpret a very small variance or standard deviation but not equal to zero?

a)

The values of the random variables are farther from the mean.

b)

The values of the random variables are nearer to the mean.

c)

The values of the random variables are equal to the mean.

d)

The values of the random variables have no relationship with the mean.

117.

Which of the following shows most likely the largest possible variance or variability?

a)

number of girls in a randomly selected three-child family

b)

number of newborn babies per minute.

c)

number of Oreo cookies inside a 133 grams pack from different

branch of 711 stores

d)

number of patients who are positive with COVID-19 in different

hospitals

118.

Which of the following data shows most likely the smallest possible variance or variability?

a)

number of books in different branch of National Bookstore

b)

number of books inside a pack bag of grade 11 students

c)

number of books inside the library of different universities

d)

number of books inside the library of different households

119.

What formula is described by σ² = ∑[x²* P(x)] − u²?

4 lines

120.

Which of the following is NOT a property of the variance?

a)

The variance is not equal to the standard deviation.

b)

A small variance means that the distribution of the random variable is narrowly concentrated around the mean.

c)

A large variance means that the distribution is spread out, with some chance of observing values at some distance from the mean.

d)

The value of the variance is less than zero.

121.

Which of the following represents the mean value of a discrete random variable?

a)

Expected value

b)

Median

c)

Standard deviation

d)

Standard deviation

122.

Which of the following is the correct formula to find the expected value of the probability distribution?

a)

E(x) = ∑[x ∙ P(x)]

b)

E(x) = ∑[x²∙ P(x)]

c)

E(x) = ∑[x² ∙ P(x)] − u²

123.

The total area under the normal curve is

a)

b)

c)

d)

124.

The normal curve is bell-shaped

a)

x

b)

/

c)

sometimes

d)

depends

125.

Which part of the normal curve is extended indefinitely in both directions along the horizontal axis, approaching but never touching it?

a)

b)

c)

d)

126.

According to the property of a Normal Probability Distribution, the mean is equal to what measures of central tendency?

a)

median

b)

mode

c)

both A and B

d)

only A

127.

Which of the following rules state that almost all data fall within the 1, 2, and 3 Standard Deviation of the Mean when the population is normally distributed?

a)

Empirical rule

b)

Lottery rule

c)

Pascal’s triangle rule

d)

Sampling rule

128.

a)

1/2

b)

1/8

c)

1/3

d)

1/12

129.

The spinner is spun two times. Determine the probability of getting a red green combo.

a)

1/9

b)

1/10

c)

2/9

d)

1/12

130.

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on green?

a)

1 / 16

b)

1 ⁄ 6

c)

1 ⁄ 8

d)

3 ⁄ 4

131.

An event that consists of two or more events

a)

event

b)

dependent events

c)

experiment

d)

compound event

132.

Probability that is based on repeated trials of an experiment

a)

Fundamental Counting Principle

b)

theoretical probability

c)

experimental probability

d)

experiment

133.

The possible results of an experiment

a)

outcomes

b)

event

c)

experiment

d)

probability

134.

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, replacing it, and then picking a green pen?

a)

1/2

b)

4/11

c)

1/6

d)

2/3

135.

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.

a)

3/5

b)

3/4

c)

3/20

d)

2/5

136.

How do you find compound probability?

a)

Multiply your probabilities

b)

Add your probabilities

c)

Divide your probabilities

d)

Subtract your probabilities

137.

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?

a)

17/26

b)

1/13

c)

5/13

d)

5/26

138.

what is the sum of a probability distribution?

a)

0

b)

1

c)

2

d)

3

139.

If the three coins were tossed, what is the maximum value of the random variable?

a)

1

b)

2

c)

3

d)

4

140.

A sample should be

a)

representative of only middle school students only

b)

a very large group

c)

representative of the population

d)

representative of people who volunteer

141.

A radio station asks its listeners to dial one of two numbers to indicate their preference for one of two candidates in an upcoming election. Of the responses received, 76% favored candidate A. If there are 1,500 registered voters, how many will vote for candidate A?

a)

1,140

b)

6

c)

1,974

d)

100

142.

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

a)

28,000 km and 32,000 km.

b)

24,000 km and 34,000 km.

c)

26,000 km and 34,000 km.

d)

27,000 km and 31,000 km.

143.

It is a numerical description of a population characteristic.

a)

Parameter

b)

People

c)

Statistics

d)

Data

144.

It is a numerical description of a sample characteristic

a)

Statistic

b)

Statistics

c)

Parameter

d)

Data

145.

The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches.
What percent of men are taller than 74 inches?

a)

2.5%

b)

5%

c)

16%

d)

1%

146.

Adam's Z-score on a test is +2.5. What does this mean?

a)

He'd better start studying.

b)

He did better than EVERYONE.

c)

He scored 2.5 standard deviations above the average.

d)

He did terrible.

147.

Sample space is...

a)

the set of all the possible outcomes

b)

the set of all of the complements of the events

c)

the set of all variables that are in the problem

d)

a set of points that are equidistant from the center

148.

Given P(A) = .8 and P( B| A) = .3, find P( A and B).

a)

2.6

b)

.12

c)

.24

d)

.38

149.

What does a z-score of 0 mean?

a)

The score is equal to the mean.

b)

The score is 0 points.

c)

There is no data.

d)

You can't tell unless you know the data is normal.

150.

Lizzy had test scores of: 72, 94, 108, 60
What is the RANGE of her test scores?

a)

12

b)

72

c)

48

d)

98

151.

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

a)

7

b)

20

c)

7 & 14

d)

none of the above

152.

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

a)

58

b)

59

c)

60

d)

118

153.

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

a)

Median: 54

First Quartile: 49

Third Quartile: 67

IQR: 18

b)

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 21

c)

Median: 54

First Quartile: 48

Third Quartile: 69

IQR: 22

d)

Median: 54

First Quartile: 49

Third Quartile: 69

IQR: 20

154.

Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15

a)

13

b)

7

c)

9

d)

6

155.

Find the IQR (Q3 - Q1) of the data

20, 22, 25, 29, 31

a)

30

b)

21

c)

25

d)

9

156.

What is the second step when calculating the Mean Absolute Deviation?

a)

Find the distance each value is from the mean

b)

Find the mean of the distances

c)

Find the mean of the data

157.

What is the third step when calculating the Mean Absolute Deviation?

a)

Find the distance each value is from the mean

b)

Find the mean of the distances

158.

Find the MAD:
58, 38, 54, 48, 26, 36

a)

43

b)

20

c)

10

d)

12

159.

Find the Mean Absolute Deviation: 5, 11, 2, 7, 16. The Mean is 8.2

a)

3.2

b)

2.8

c)

1.2

d)

4.2

160.

Which of the following is a measure of variability?

a)

mean

b)

median

c)

mode

d)

standard deviation

161.

If the standard deviation of a data set is 4, what is the variance?

a)

2

b)

16

c)

4

162.

What is the variance for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

a)

47.47

b)

102.01

c)

52.77

d)

81

163.

What does this symbol represent?

a)

Variance

b)

Standard Deviation

c)

Mean Absolute Deviation

d)

Sigma

164.

How do you calculate the standard deviation?

a)

Divide the variance by 2.

b)

Its a long process and I can't explain it right now.

c)

Find the mean and multiply it by the variance.

d)

Take the square root of the variance.

165.

What does this symbol represent?

a)

Standard Deviation

b)

Variance

c)

Mean Absolute Deviation

d)

Sigma

166.

Given a variance of 64, what is the standard deviation?

a)

8

b)

4096

c)

0

d)

6.8

167.

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

a)

1 ⁄ 16

b)

1 ⁄ 2

c)

1 ⁄ 4

d)

1 ⁄ 8

168.

a)

1/2

b)

1/8

c)

1/3

d)

1/12

169.

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on green?

a)

1 / 16

b)

1 ⁄ 6

c)

1 ⁄ 8

d)

3 ⁄ 4

170.

a)

A

b)

B

c)

C

d)

D

171.

a)

A

b)

B

c)

C

d)

D

172.

a)

A

b)

B

c)

C

d)

D

173.

a)

A

b)

B

c)

C

d)

D

174.

Question should read "Which description IS LIKELY modeled by the scatterplot?

a)

A

b)

B

c)

C

d)

D

175.

a)

A

b)

B

c)

C

d)

D

176.

a)

A

b)

B

c)

C

d)

D

177.

a)

A

b)

B

c)

C

d)

D

178.

a)

A

b)

B

c)

C

d)

D

179.

a)

A

b)

B

c)

C

d)

D

180.

a)

A

b)

B

c)

C

d)

D

181.

a)

A

b)

B

c)

C

d)

D

182.

a)

A

b)

B

c)

C

d)

D

183.

a)

A

b)

B

c)

C

d)

D

184.

a)

A

b)

B

c)

C

d)

D

185.

a)

A

b)

B

c)

C

d)

D

186.

a)

A

b)

B

c)

C

d)

D

187.

a)

A

b)

B

c)

C

d)

D

188.

a)

A

b)

B

c)

C

d)

D

189.

a)

A

b)

B

c)

C

d)

D

190.

Which probability shows the certainty of an event to happen?

a)

P(x) = 0.5

b)

P(x) = 6/6

c)

P(x) = 0

d)

P(x) = 1

191.

If you roll a die once, what is the probability that an even face will appear?

a)

1/6

b)

1/2

c)

5/6

d)

1

192.

From a standard deck of cards, what is the probability that you are going to pick a card of hearts?

(a)

193.

In tossing a coin, what is the probability that the Head (H) will appear?

a)

1

b)

0.5

c)

0.25

d)

0

194.

What do you call a single value that contains the parameter value?

a)

Interval estimate

b)

Point estimate

c)

t statistics

d)

z statistics

195.

What is the quantitative description of the correlation coefficient when computed r = 0.75?

a)

Perfect

b)

Very high

c)

Moderately high

d)

Moderately low

196.

What does the absolute value of r indicate?

a)

Correlation

b)

Direction

c)

Sign

d)

Strength

197.

Which sample size will give a smaller error of the mean?

a)

12

b)

25

c)

20

d)

35

198.

What is the value resulting from subtracting the maximum error from the sample mean?

a)

Interval estimate

b)

Lower limit of the interval estimate

c)

Point estimate

d)

Upper limit of the interval estimate

STATISTICS & PROBABILITY-G11

Total questions: 198

Worksheet time: 7hrs 36mins

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