Free Printable Final Review

1.

What is the Explanatory Variable?

a)

Enrollment (thousands of students)

b)

Age of College (years)

2.

The color of marbles in a jar

a)

Qualitative Data

b)

Quantitative Data

3.

What is the Response Variable?

a)

height

b)

weight

c)

60 players picked

d)

NBA draft

4.

What is the Response Variable?

a)

percent

b)

organic products

c)

years since 2000

5.

A researcher for the Spaulding athletic equipment company is studying the relationship between the level of education and participation in any sport. She conducts a survey of 40 randomly selected golfers, 40 randomly selected tennis players and 40 randomly selected swimmers. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

6.

What is the Explanatory Variable?

a)

years since 2010

b)

Thousands fo students

c)

scatterplot model

7.

What is the Explanatory Variable?

a)

percent

b)

organic products

c)

years since 2000

8.

What is the Response Variable?

a)

years since 2010

b)

Thousands fo students

c)

scatterplot model

9.

What is the Explanatory Variable?

a)

U.S. Digital Music Revenues

b)

Year

c)

Annual Revenue (billions of dollars)

10.

What is the Response Variable?

a)

U.S. Digital Music Revenues

b)

Year

c)

Annual Revenue (billions of dollars)

11.

What is the Response Variable?

a)

number of firefighters who died

b)

years since 2010

12.

What is the Explanatory Variable?

a)

height

b)

weight

c)

60 players picked

d)

NBA draft

13.

On Days of presidential elections, the news media organize an exit poll in which specific polling stations are randomly selected and all voters are surveyed as they leave the premises. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

14.

What is Quantitative Data?

a)

Consist of attributes, labels, or nonnumerical entries.

b)

Consist of numerical measurements or counts.

c)

Consist of a subset of the population.

15.

What is the Response Variable?

a)

Enrollment (thousands of students)

b)

Age of College (years)

16.

The author of the statistical study was an observer at a police sobriety checkpoint at which every 5th driver was stopped and interviewed. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

17.

The author of the statistical study was an observer at a police sobriety checkpoint at which every 5th driver was stopped and interviewed. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

18.

An engineering student measures the strength of fingers used to push buttons by testing family members. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

19.

In a Gallup poll of 1059 adults, they interviewed subjects who were selected by using a computer to randomly generate telephone numbers that were then called. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

20.

A market researcher has divided all California residents into categories of unemployed, employed full time, and employed part time. She is surveying 50 people from each category. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

21.

What is the correct symbol for....

Population Mean

a)

σ

b)

n

c)

d)

22.

The author of a study surveyed all of his students to obtain sample data consisting of the number of credit cards students possess. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

23.

A researcher conducts an opinion survey in a major city. The researcher chooses 75 participants from four different ethnic groups: African Americans, Asian Americans, European Americans, and Native Americans. Which sampling type is used?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

24.

A farmer divides his orchard into 50 subsections, randomly selects 4, and samples all the trees within those subsections. Which sampling technique was used?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

25.

The mass of the chocolate cake is 250 g.

a)

qualitative

b)

quantitative

26.

The number of balloons in a store

a)

Qualitative Data

b)

Quantitative Data

27.

The type of sports at the Olympics

a)

Qualitative Data

b)

Quantitative Data

28.

The type of shoes

a)

Qualitative Data

b)

Quantitative Data

29.

What is the Explanatory Variable?

a)

number of firefighters who died

b)

years since 2010

30.

The type of pets a person owns

a)

Qualitative Data

b)

Quantitative Data

31.

Which of the following is an example of quantitative data?

a)

The color of your car

b)

A person's state of residence

c)

A person's Zip Code

d)

A Person's Height

32.

The bug was 5 cm long.

a)

Qualitative data

b)

Quantitative data

33.

What is Qualitative Data?

a)

Consist of attributes, labels, or nonnumerical entries.

b)

Consist of numerical measurements or counts.

c)

Consist of a subset of the population.

34.

Fund-raisers for the local college test a new telemarketing campaign by obtaining a list of all alumni and selecting every 100th name on that list. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

35.

A quantitative variable that can assume a countable number of values.

a)

Discrete Variable

b)

Continuous Variable

36.

Identify the kind of variable in this situation:

length of time a football play lasts

a)

discrete

b)

continuous

37.

Identify the kind of variable in this situation:

price of gasoline per gallon throughout American history

a)

discrete

b)

continuous

38.

In statistics, what does this symbol represent?

a)

sample mean

b)

population mean

c)

sample standard deviation

d)

population standard deviation

39.

In statistics, what does this symbol represent?

a)

sample mean

b)

population mean

c)

sample standard deviation

d)

population variance

40.

According to the empirical rule, what percentage of data falls within 1 standard deviation?

a)

25%

b)

68%

c)

95%

d)

99.7%

41.

In statistics, what does this symbol represent?

a)

sample variance

b)

population mean

c)

sample standard deviation

d)

population standard deviation

42.

Which of the following is the symbol for....

Population Standard Deviation

a)

σ

b)

M

c)

s

d)

N

43.

What is the correct symbol for...

Sample Standard Deviation

a)

σ

b)

M

c)

s

d)

n

44.

Which is the correct symbol for....

Sample mean

a)

σ

b)

n

c)

d)

45.

Which is the correct symbol for...

SUM of the data or add up the data

a)

b)

n

c)

d)

s

46.

Which is the correct symbol for....

Total number of Population data

a)

n

b)

c)

s

d)

N

47.

What is the correct symbol for...

Median

a)

σ

b)

M

c)

s

d)

n

48.

Find the slope of the line.

a)

-2

b)

2

c)

-1

d)

1

49.

f(x) is the same thing as ______.

a)

y

b)

x

c)

input

d)

an equation

50.

What is f(1)?

a)

1

b)

5

c)

0

d)

4

51.

If f(x) = x - 5, what is the value of x when f(x) = 15?

a)

20

b)

10

c)

5

d)

0

52.

What type of slope does the following graph have?

a)

Postive

b)

Negative

c)

Zero Slope

d)

Undefined

53.

A company is selling bubble gum. The function g(x)=3x+4 tells the company how much to charge if someone buys x packages of bubble gum. Find g(8) and tell what it means within the context of the problem.

a)

g(8)=8. This means that after 8 packages of gum, the company makes $8.

b)

g(8)=42. This means that 8 packages of gum costs $42.

c)

g(8)=28. This means that 8 packages of gum costs $28.

d)

g(8)=24. This means that 8 packages of gum costs $24.

54.

Is this table a function or not a function?

a)

Function

b)

Not a Function

55.

a)

Function

b)

Not a Function

56.

Using f(x) , g(x) , or h(x) instead of y is called using ......

a)

Slope Notation

b)

Variable Notation

c)

Intercept Notation

d)

Function Notation

57.

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

a)

After 5 week the plant is 4 inches tall

b)

The plant grows at a rate of 5/4 inch per week

c)

After 4 weeks the plant is 5 inches tall

d)

The plant grows at a rate of 1 inch per week

58.

Which graph does NOT pass the vertical line test?

a)

Graph 1

b)

Graph 2

c)

Graph 3

d)

Graph 4

59.

If a question asks you to find f(2), what does that mean?

a)

Let x = 2

b)

Let y = 2

60.

a)

f(2) = 1

b)

f(2) = 2

c)

f(2) = 4

d)

f(2) = 7

61.

What is the value of f(7)

a)

5

b)

1

c)

-3

62.

Find the slope:

a)

$\frac{3}{4}$

b)

$\frac{4}{3}$

c)

$\frac{1}{4}$

d)

$\frac{3}{1}$

63.

What is the Slope?

a)

Positive

b)

Negative

c)

Zero

d)

No Slope

64.

a)

Function

b)

Not a Function

65.

What shape is a normal distribution curve?

a)

Half curve

b)

Round curve

c)

Bell curve

d)

Square curve

66.

The normal curve is symmetrical about the mean.

a)

True

b)

False

67.

68% of the marks in a test are between 51 and 64

Assuming this data is normally distributed, what are the mean and standard deviation?

a)

Mean = 57

S.D. = 6.5

b)

Mean = 57

S.D. = 7

c)

Mean = 57.5

S.D. = 6.5

d)

Mean = 57.5

S.D. = 13

68.

Between what two standard deviations of a normal distribution contain 68% of the data?

a)

one below and one above

b)

two below and two above

c)

two below and zero

d)

zero and two above

69.

1. Which best describes the shaded part of this normal distribution graph?

a)

All data that is one or higher.

b)

All data that is one or more standard deviations above the mean.

c)

All data that is between 1 and 3.

d)

All data that is above the mean.

70.

Which is the correct symbol for....

Total number of sample data

a)

n

b)

c)

s

d)

N

71.

This data is normally distributed. What percent of the data is in the shaded region?

a)

68%

b)

95%

c)

99.8%

d)

50%

72.

How many people watched more than 6 hours of TV?

a)

10

b)

5

c)

20

d)

17

73.

In a normal distribution, the mean, median and mode are

a)

within 1 standard deviation

b)

very similar

c)

within 0.1%

d)

equal

74.

This data is normally distributed. What percent of the data is in the shaded region?

a)

68%

b)

95%

c)

99.8%

d)

50%

75.

What is the total number of students speaking different languages?

a)

20

b)

25

c)

50

d)

100

76.

What is the relative frequency of students speaking Arabic?

a)

32%

b)

24%

c)

10%

d)

2%

77.

Which interval has the greatest number of employees?

a)

11-21

b)

33-43

c)

77-87

d)

44-54

78.

Which interval has the greatest number of students?

a)

48-51

b)

56-59

c)

60-63

d)

64-67

79.

Is a histogram the same as a bar graph?

a)

Yes, because they both use intervals.

b)

No, because a histogram displays numerical data while a bar graph displays categorical data.

c)

Yes, because they both use bars to display data.

d)

No, because a histogram displays categorical data while a bar graph displays numerical data.

80.

In statistics, what does this symbol represent?

a)

sample mean

b)

population mean

c)

sample standard deviation

d)

population standard deviation

81.

What percent of cyclists finished in 60-64 minutes? Make a fraction first

a)

30%

b)

33%

c)

25%

d)

37.5%

82.

What percent of people had systolic blood pressure between 130 and 140?

a)

10%

b)

15%

c)

90%

d)

100%

83.

The author of the statistical study was an observer at a police sobriety checkpoint at which every 5th driver was stopped and interviewed. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

84.

A researcher for the Spaulding athletic equipment company is studying the relationship between the level of education and participation in any sport. She conducts a survey of 40 randomly selected golfers, 40 randomly selected tennis players and 40 randomly selected swimmers. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

85.

On Days of presidential elections, the news media organize an exit poll in which specific polling stations are randomly selected and all voters are surveyed as they leave the premises. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

86.

In a Gallup poll of 1059 adults, they interviewed subjects who were selected by using a computer to randomly generate telephone numbers that were then called. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

87.

A market researcher has divided all California residents into categories of unemployed, employed full time, and employed part time. She is surveying 50 people from each category. Which sampling type is this?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

88.

A farmer divides his orchard into 50 subsections, randomly selects 4, and samples all the trees within those subsections. Which sampling technique was used?

a)

simple random

b)

convenience

c)

stratified

d)

cluster

e)

systematic

89.

What is the minimum value?

a)

64

b)

58

c)

66

d)

61

90.

What is the median?

a)

62

b)

58

c)

66

d)

60

91.

What data value is the upper quartile (Q3)?

a)

64

b)

62

c)

66

d)

58

92.

What is the value of the lower quartile (Q1)?

a)

3

b)

8

c)

10

d)

15

93.

What is the median?

a)

3

b)

8

c)

10

d)

15

94.

What is the value of the range?

a)

3

b)

8

c)

10

d)

15

95.

What is the IQR?

a)

3

b)

7

c)

15

d)

5

96.

Calculate the Lower Fence

a)

-3

b)

3

c)

-7.5

d)

7.5

97.

Calculate the Upper Fence

a)

7

b)

35

c)

19

d)

25.5

98.

What percent of students have a height between 58 inches and 60 inches?

a)

25%

b)

50%

c)

75%

d)

100%

99.

What percentage of the data is between 90 and 140?

a)

25 %

b)

50%

c)

75%

d)

100%

100.

Which value is in the top 25% of the data?

a)

16

b)

22

c)

29

d)

36

101.

If I want to make sure I have data in the top 50% of plot A, I should make sure to pick a number greater than what amount?

a)

14

b)

30

c)

18

d)

22

102.

What is the shape of the data?

a)

symmetrical

b)

skewed left

c)

skewed right

d)

bell curve

103.

What is the shape of the data?

a)

symmetrical

b)

skewed left

c)

skewed right

d)

bell curve

104.

What is shape of the data?

a)

symmetrical

b)

skewed left

c)

skewed right

d)

bell curve

105.

What is the range (spread) of the data?

a)

4

b)

10

c)

19

d)

9

106.

What is the shape of the distribution?

a)

Symmetrical

b)

Uniform

c)

Skewed Right

d)

Skewed Left

107.

What is the shape of the distribution?

a)

Skewed Left

b)

Skewed Right

c)

Symmetric

d)

Uniform

108.

Which statement describes this distribution?

a)

The data is skewed right

b)

The data is skewed left

c)

The data has a peak at 6

d)

The data is symmetrical

Final Review

Total questions: 108

Worksheet time: 4hrs 36mins

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