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1.

It is defined as a branch of science which deals with the collection, presentation, analysis of data, and interpretation of results.

a)

Statistics

b)

Geometry

c)

Data gathering

d)

Mathematics in the Modern World

2.

It is defined as a branch of science which deals with the collection, presentation, analysis of data, and interpretation of results.

a)

Statistics

b)

Geometry

c)

Data gathering

d)

Mathematics in the Modern World

3.

It is defined as a branch of science which deals with the collection, presentation, analysis of data, and interpretation of results.

a)

Statistics

b)

Geometry

c)

Data gathering

d)

Mathematics in the Modern World

4.

It includes all the techniques used in organizing, summarizing and presenting data on hand without drawing conclusions or inferences about a large group.

a)

Descriptive

b)

Inferential

c)

Quantitative

d)

Qualitative

5.

A chief doctor wants to predict the number of COVID-19 patients for the next 2 years. The statement is an example of

a)

Descriptive Statistics

b)

Inferential Statistics

6.

This is the totality of elements under consideration in a statistical investigation.

a)

Population

b)

Sample

c)

Parameter

d)

All of the above

7.

A type of variable that yields numerical responses representing an amount or quantity. Answers, “how much” or “how many”.

a)

Qualitative Variable

b)

Quantitative Variable

c)

Nominal Variable

d)

Ordinal Variable

8.

A type of variable that yields categorical responses. Answers, “what kind”.

a)

Qualitative Variable

b)

Quantitative Variable

c)

Nominal Variable

d)

Ordinal Variable

9.

Classify what kind of variable is the "money in the bank account"

a)

Discrete Variable

b)

Continuous

10.

Classify what kind of variable is the " distance traveled between classes"

a)

Discrete Variable

b)

Continuous

11.

Marital Status

a)

Nominal

b)

Ordinal

c)

Ratio

d)

Interval

12.

Beauty Pageant Winners

a)

Nominal

b)

Ordinal

c)

Ratio

d)

Interval

13.

Time in a day

a)

Nominal

b)

Ordinal

c)

Ratio

d)

Interval

14.

The data are presented in the form of texts, phrases or in paragraphs

a)

Textual presentation

b)

Tabular display

c)

Graphical display

d)

Pie Chart

15.

The most effective way of presenting the data using statistical graphs. Of the different modes of data presentation, the graphical display can easily attract attention as well as the interest of the reader.

a)

Textual presentation

b)

Tabular display

c)

Graphical display

d)

Pie Chart

16.

Choose all graphical presentations.

a)

Pictograph

b)

Line Chart

c)

Bar Graph

d)

Tabular

e)

Textual

17.

The mode of a data set can be found by...

a)

subtracting the minimum from the maximum

b)

choosing the middle number

c)

choosing the number that occurs most

d)

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

18.

The median of the numbers 34, 32, 12, 65, and 45 is...

a)

34

b)

32

c)

12

d)

65

19.

What is the mean?

a)

happening the most

b)

the number in the middle

c)

biggest-smallest

d)

the average

20.

Which measure of central tendency is most appropriate for a data that describes the heights of grade 5 students?

a)

Mode

b)

Outlier

c)

Mean

d)

Median

21.

A survey was conducted by a chocolate manufacturing company, about the likes and dislikes of the flavors they marketed. Which measure of central tendency will help them most to make their choice of the most liked flavor?

a)

Mean

b)

Range

c)

Mode

d)

Median

22.

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode of the number of donut holes per bag described in the sample below:
{12,10,10,10,13,12,11,13,10}

a)

13

b)

12

c)

11

d)

10

23.

On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.

Find the weighted mean of the containers on this ship.

a)

4.5 tons

b)

4 tons

c)

5 tons

d)

5.5 tons

24.

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

a)

127

b)

155

c)

156

d)

193

25.

This kind of graph is better to use when smaller changes exist in the data.

a)

bar graph

b)

line graph

c)

pie graph

d)

pictograph

26.

Annie recorded the amount of rain that fell each day. The results are shown in the line graph below. How many centimeters of rain fell on the third day?

a)

2

b)

3

c)

4

d)

7

27.

Brand of soft drinks

a)

Nominal

b)

Ordinal

c)

Ratio

d)

Interval

28.

No. of student drop-outs

a)

Nominal

b)

Interval

c)

Ordinal

d)

Ratio

29.

Classify the Variable:

Height

a)

Quantitative, Discrete

b)

Quantitative, Continuous

c)

Qualitative

d)

None of the choices

30.

Classify the type of Varaible:

Preference on death penalty

a)

Quantitative, Discrete

b)

Quantitative, Continuous

c)

Qualitative

d)

All of the above

31.

Terrance's homework grade was a 72, his project grade was an 80 and his exam grade was an 82. Homework is worth 10% of the final grade, the project was worth 50%, and the exam was worth 40%.

What was Terrance's final grade?

a)

80

b)

78

c)

82

d)

76

32.

Find the standard deviation for the following data; 86, 95, 78, 67, and 85

a)

82.2

b)

89.77

c)

9.33

d)

10.43

33.

If the variance of a data set is 30.25, what is the standard deviation?

a)

5.5

b)

15.125

c)

60.5

d)

915.0625

34.

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

a)

1

b)

2

c)

3

d)

4

35.

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the range of the heights?

a)

13cm

b)

14cm

c)

164cm

d)

330cm

36.

Dispersion measures

a)

The scatterness of a set of observation

b)

The concentration of a set of observations

c)

Both (a) and (b)

d)

Neither (a) and (b)

37.

Your basketball team plays 5 games.
Your team scores:
10 points in the first game,
3 points in the second game,
2 points in the third game,
5 points in the fourth game, and
0 points in the fifth game.
What was the mean number of points your team scored for all 5 games?

a)

3 points

b)

4 points

c)

5 points

d)

10 points

38.

The table shows the result when three coins were tossed simultaneously 30 times.
What is the mean?

a)

1

b)

1.57

c)

2.2

d)

3

39.

The table shows the number of people with the corresponding number of friends on Facebook. What is the median?

a)

49.6

b)

50

c)

51

d)

50.3

40.

If the mean of a data set is 10, what is the missing piece of data?
5, 4, 7, 15, 12, ___

a)

7

b)

17

c)

20

d)

16

41.

What is the mode of the data set:
Black Blue Red
Pink Black Black
Gray Green Blue
Blue Blue Red
Yellow Blue Red

a)

Blue and Black

b)

Blue

c)

Red

d)

Black

42.

For a data containing 15 items arranged in ascending order, what item is the median of the data

a)

7th item

b)

8th item

c)

6th and 7th item

d)

7th and 8th item

43.

What is the class size (h) of the class 15 - 30?

a)

15

b)

30

c)

22

d)

22.5

44.

Estimate the mean weight

a)

63.5

b)

65

c)

67.2

d)

70.1

45.

What is the class interval where the median lies?

a)

0 < w < 3

b)

3 < w < 6

c)

6 < w < 9

d)

9 < w < 12

46.

In a grouped data, in what class can the median be found?

a)

Mean class

b)

Median class

c)

Modal class

47.

How many people took the survey?

a)

50

b)

150

c)

100

d)

200

48.

What is the minimum value?

a)

64

b)

58

c)

66

d)

60

49.

Which interval shows the greatest number of pets?

a)

15-19

b)

0-4

c)

5-9

d)

10-14

50.

What is the mode for this table of data?

a)

3

b)

1

c)

13

d)

15

51.

For this table of information, how many 1s occurred in the data?

a)

3

b)

5

c)

none

d)

impossible to know

52.

For this table of data, what is the modal class?

a)

0-<10

b)

30-<40

c)

20-<30

d)

40-<50

53.

For this grouped data, what is the mean?

a)

20

b)

25

c)

27

d)

30

54.

Find the median class of this data.

a)

0 < x <= 20

b)

20 < x <= 35

c)

35 < x <= 45

d)

45 < x <= 65

55.

Find the mean.

a)

10

b)

20

c)

30

d)

40

56.

How many students take the bus to school?

a)

35

b)

20

c)

10

d)

15

57.

A survey asked 6th graders their favorite lunch and got the following results:

Pizza: 150

Nachos: 75

Spaghetti: 25

a)

Mean

b)

Median

c)

Mode

d)

Range

58.

A student collected a data on the colour of cars parked in a locality. For this data __.

a)

She can find the mode

b)

She can find the median

c)

She can find the mean

d)

She can find the variance

59.

The mean salary paid to three people is Rs.13 lakh. Can one person get Rs. 40 lakh as salary?

a)

Yes

b)

No

c)

Information is incomplete

d)

None of the above

60.

A survey asked 6th graders their favorite lunch and got the following results:

Pizza: 150

Nachos: 75

Spaghetti: 25

a)

Mean

b)

Median

c)

Mode

d)

Range

61.

What is the mode?

a)

The value that occurs the most often in a data set

b)

The middle number in an ordered set of data

c)

The sum of all the numbers in a data set divided by the size

d)

The sum of the between the greatest and the least elements, divided by two

62.

How many students have more than 1,000 songs on their MP3 player?

a)

5

b)

16

c)

10

d)

4

63.

How many students scored more than 80%?

a)

10

b)

13

c)

7

d)

15

64.

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

a)

4.1

b)

6

c)

4.5

d)

4

65.

Find the median of these numbers:
4, 2, 7, 4, 3

a)

2

b)

5

c)

7

d)

4

66.

What is the mode in the following numbers? [3, 24, 3, 7, 30, 1, 3, 7, 3]

a)

3 and 7 both are modes

b)

1 and 7 both are modes

c)

3 only

d)

7 only

67.

A student collected a data on the colour of cars parked in a locality. For this data __.

a)

She can find the mode

b)

She can find the median

c)

She can find the mean

d)

She can find the variance

68.

The mean salary paid to three people is Rs.13 lakh. Can one person get Rs. 40 lakh as salary?

a)

Yes

b)

No

c)

Information is incomplete

d)

None of the above

69.

A survey asked 6th graders their favorite lunch and got the following results:

Pizza: 150

Nachos: 75

Spaghetti: 25

a)

Mean

b)

Median

c)

Mode

d)

Range

70.

What is the mode?

a)

The value that occurs the most often in a data set

b)

The middle number in an ordered set of data

c)

The sum of all the numbers in a data set divided by the size

d)

The sum of the between the greatest and the least elements, divided by two

71.

How many students have more than 1,000 songs on their MP3 player?

a)

5

b)

16

c)

10

d)

4

72.

How many students scored more than 80%?

a)

10

b)

13

c)

7

d)

15

73.

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

a)

4.1

b)

6

c)

4.5

d)

4

74.

Find the median of these numbers:
4, 2, 7, 4, 3

a)

2

b)

5

c)

7

d)

4

75.

What is the mode in the following numbers? [3, 24, 3, 7, 30, 1, 3, 7, 3]

a)

3 and 7 both are modes

b)

1 and 7 both are modes

c)

3 only

d)

7 only

76.

The values of measures of central tendency computed for a distribution following the normal curve are always -------

a)

A. Equal

b)

B. Different

c)

C. Greater than one

d)

D. One

77.

The normal curve is ---------

a)

A. Unimodal

b)

B. Bimodal

c)

C. Multimodal

d)

D. Asymmetric

78.

When one or both variables are measured on an ordinal scale, the appropriate correlation measure is --------

a)

A. Pearson’s r

b)

B. Spearman’s rho

c)

C. Partial correlation

79.

Level of significance is the maximum possibility of making --------

a)

A. A correct decision

b)

C. Type I error

c)

B. wrong decision

d)

D. Type II error

80.

The critical value of Z for a single-tailed test at 0.01 level of significance is -------

‘

a)

A. 1.96

b)

B. 2.576

c)

C. 1.645

d)

D. 2.326

81.

Test of goodness of fit’ is a type of ------- test.

a)

A. Z – test

b)

B. t – test

c)

C. F – test

d)

D. Chi-square test

82.

Which of the following is the non-parametric alternative to the t –test?

a)

A. Repeated ANOVA

b)

B. Mann-Whitney U test

c)

C. Kruskal-Wallis test

d)

D. Rank correlation

83.

In an ANOVA summary table between groups df is given as 5. How many groups are there in the experiment?

a)

A. 3

b)

B. 4

c)

C. 5

d)

D. 6

84.

In the summary of the result of an independent sample t test, the df is given as 30. What is the total sample size of the comparison?

a)

A. 28

b)

B. 30

c)

C. 31

d)

D. 32

85.

We name or label the groups in this scale

a)

A. Nominal

b)

B. Ordinal

c)

C. Interval

d)

D. Ratio

86.

The coefficient of correlation:

a)

A. Has no limits

b)

C. Is always less than one

c)

C. Is always more than one

d)

D. Varies between +1 and -1

87.

Which of the following is appropriate for comparing a population mean with a sample mean, when population standard deviation is unknown?

a)

A. Z – test

b)

B. Simple t-test

c)

C. Independent t –test

d)

D. Post hoc test

88.

When there are more number of cases below the mean than above, distribution is:

a)

A. Positively skewed

b)

B. Negatively skewed

c)

C. Not skewed

d)

D. Leptokurtic

89.

If the coefficient of kurtosis is less than 0.263, the distribution is:

a)

A. Leptokurtic

b)

B. Mesokurtic

c)

C. Platykurtic

d)

D. Macrokurtic

90.

. The coefficient of skewness of a normal distribution is A and the kurtosis is B. A =?, B = ?

a)

A. 0, 0.263

b)

B. 0.263, 0

c)

C. 0.263, 0.263

d)

D. 0, 0.262

91.

Average affected by extreme observations:

a)

A. Mode

b)

B. Median

c)

C. Arithmetic mean

d)

D. Geometric mean

92.

Degree of relationship is expressed as

a)

A. Normal distribution

b)

B. Measures of variability

c)

C. Measures of central tendency

d)

D. Correlation coefficient

93.

Which of the following indicates a statistical association in which higher scores on one variable are associated with higher scores on the other variable?

a)

A. Negative correlation

b)

B. Positive correlation

c)

C. No correlation

d)

D. Correlation coefficient

94.

------ is a relationship between two variables in which the relationship is best described by a straight line.

a)

A. Positive relationship

b)

B. Coefficient of correlation

c)

C. Negative relationship

d)

D. Linear relationship

95.

If the two variables are not related, a coefficient near ------ will be obtained.

a)

A. 0.00

b)

B. 0.05

c)

C. 0.01

d)

D. 1.00

96.

Bell Ringer!!!

A system of equations is shown below.

x + 7y = 23

3x + 14y = 48

What is the value of x + y in the solution to the system?

a)

5

b)

1

c)

-1

d)

-5

Entry Level

Total questions: 96

Worksheet time: 5hrs 48mins

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