# LHS Statistics - Unit 3 Test Review: Graphical Displays

72 Questions

LHS Statistics - Unit 3 Test Review: Graphical Displays

Questions and Answers
• 1.
What are the units on the horizontal axis?
• A.

Frequency

• B.

Minutes

• C.

0-24

• 2.
What percent of energy comes from a source OTHER THAN hydroelectric?
• A.

80%

• B.

75%

• C.

4%

• D.

96%

• 3.
What is the class width?
• A.

3

• B.

4

• C.

5

• D.

6

• 4.
What is the interquartile range?
• A.

4

• B.

5

• C.

6

• D.

7

• 5.
How many classes are there?
• A.

3

• B.

4

• C.

5

• D.

6

• 6.
What percent of players fall at or below a height of 74 inches?
• A.

25%

• B.

30%

• C.

40%

• D.

50%

• 7.
How many people take between 12-15 minutes to drive to school?
• A.

10

• B.

20

• C.

30

• D.

40

• 8.
What percent of players fall at or below a height of 85 inches?
• A.

25%

• B.

75%

• C.

100%

• D.

Not enough information

• 9.
How many data values were in the original data set used to create this histogram?
• A.

100

• B.

80

• C.

60

• D.

Not enough information

• 10.
What height do 25% of the players fall below?
• A.

60 inches

• B.

64 inches

• C.

71 inches

• D.

76 inches

• 11.
Which class has the highest frequency?
• A.

9-12

• B.

12-15

• C.

15-18

• D.

25-30

• 12.
What are the units on the x-axis?
• A.

Inches

• B.

Feet

• C.

Cumulative relative frequency

• 13.
What are the units on the veritcal axis?
• A.

Frequency

• B.

Minutes

• C.

0-30

• 14.
What is the third quartile?
• A.

80 inches

• B.

77 inches

• C.

70 inches

• D.

65 inches

• 15.
Base on the histogram above, how many people take 18 minutes or less to drive to school?
• A.

100

• B.

85

• C.

65

• D.

20

• 16.
The cumulative relative frequency graph above ends at 100%, will all cumulative relative frequency graphs end at 100%?
• A.

Yes

• B.

No

• C.

Not enough information

• 17.
According to the graph, what percent of people use nuclear energy?
• A.

41%

• B.

9%

• C.

20%

• D.

1%

• 18.
What percent of patients stay 2 days or less?
• A.

25%

• B.

50%

• C.

75%

• D.

100%

• 19.
If 1000 homes were surveyed to create the pie chart above, how many homes use natural gas?
• A.

200

• B.

500

• C.

Not enough information

• 20.
What is the interquartile range?
• A.

10

• B.

20

• C.

30

• D.

40

• 21.
What percent of people used either petroleum or coal?
• A.

50%

• B.

66%

• C.

29%

• D.

10%

• 22.
What percent of employees fall at or below the age of 50?
• A.

25%

• B.

50%

• C.

75%

• D.

100%

• 23.
If 50% of the other category is actually wind power, what percent of energy comes from wind power?
• A.

0.5%

• B.

1%

• C.

2%

• D.

50%

• 24.
How many people waited 8 minutes or less?
• A.

10

• B.

11

• C.

12

• D.

13

• 25.
50% of energy comes from what two sources?
• A.

Hydroelectric and nuclear

• B.

Other and natural gas

• C.

Petroleum and nuclear

• D.

Coal and natural gas

• 26.
How many people waited 7 minutes or more?
• A.

3

• B.

4

• C.

5

• D.

6

• 27.
Where does the largest percent of energy come from?
• A.

Coal

• B.

Petroleum

• C.

Natural Gas

• D.

Nuclear

• 28.
What type of data is depicted in the above graph?
• A.

Dot plot

• B.

Qualitative

• C.

Quantitative

• D.

Favorite color

• 29.
What percent of energy comes from a source OTHER THAN hydroelectric?
• A.

80%

• B.

75%

• C.

4%

• D.

96%

• 30.
How many 5th graders favorite color is yellow?
• A.

1

• B.

2

• C.

3

• D.

4

• 31.
What is the interquartile range?
• A.

4

• B.

5

• C.

6

• D.

7

• 32.
How many 5th graders were pollled to create this graph?
• A.

5

• B.

10

• C.

20

• D.

30

• 33.
What percent of players fall at or below a height of 74 inches?
• A.

25%

• B.

30%

• C.

40%

• D.

50%

• 34.
What type of plot is shown above?
• A.

Histogram

• B.

Scatter plot

• C.

Dotplot

• D.

Time series graph

• 35.
What percent of players fall at or below a height of 85 inches?
• A.

25%

• B.

75%

• C.

100%

• D.

Not enough information

• 36.
What is the trend of the graph above?
• A.

No correlation

• B.

Positive correlation

• C.

Slight positive correlation

• D.

Negative trend

• 37.
What height do 25% of the players fall below?
• A.

60 inches

• B.

64 inches

• C.

71 inches

• D.

76 inches

• 38.
Describe the trend of the above graph.
• A.

No correlation

• B.

Postive correlation

• C.

Negative correlation

• 39.
What are the units on the x-axis?
• A.

Inches

• B.

Feet

• C.

Cumulative relative frequency

• 40.
Extrapolate to estimate the y value when x = 9.
• A.

1

• B.

5

• C.

4

• D.

3

• 41.
What is the third quartile?
• A.

80 inches

• B.

77 inches

• C.

70 inches

• D.

65 inches

• 42.
Describe the correlation of the above graph.
• A.

No correlation

• B.

Positive correlation

• C.

Negative correlation

• 43.
The cumulative relative frequency graph above ends at 100%, will all cumulative relative frequency graphs end at 100%?
• A.

Yes

• B.

No

• C.

Not enough information

• 44.
Describe the correlation of the above graph.
• A.

No correlation

• B.

Positive correlation

• C.

Negative correlation

• 45.
What percent of patients stay 2 days or less?
• A.

25%

• B.

50%

• C.

75%

• D.

100%

• 46.
What is the independent variable?
• A.

Gas mileage

• B.

Miles per gallon

• C.

Weight of car

• D.

Number of cars sold

• 47.
What is the interquartile range?
• A.

10

• B.

20

• C.

30

• D.

40

• 48.
Extrapolate to estimate the miles per gallon of a 2000 lbs car.
• A.

40 miles per gallon

• B.

30 miles per gallon

• C.

20 miles per gallon

• D.

10 miles per gallon

• 49.
What percent of employees fall at or below the age of 50?
• A.

25%

• B.

50%

• C.

75%

• D.

100%

• 50.
How many people waited 8 minutes or less?
• A.

10

• B.

11

• C.

12

• D.

13

• 51.
How many people waited 7 minutes or more?
• A.

3

• B.

4

• C.

5

• D.

6

• 52.
What type of data is depicted in the above graph?
• A.

Dot plot

• B.

Qualitative

• C.

Quantitative

• D.

Favorite color

• 53.
How many 5th graders favorite color is yellow?
• A.

1

• B.

2

• C.

3

• D.

4

• 54.
How many 5th graders were pollled to create this graph?
• A.

5

• B.

10

• C.

20

• D.

30

• 55.
What type of plot is shown above?
• A.

Histogram

• B.

Scatter plot

• C.

Dotplot

• D.

Time series graph

• 56.
What is the trend of the graph above?
• A.

No correlation

• B.

Positive correlation

• C.

Slight positive correlation

• D.

Negative trend

• 57.
Describe the trend of the above graph.
• A.

No correlation

• B.

Postive correlation

• C.

Negative correlation

• 58.
Extrapolate to estimate the y value when x = 9.
• A.

1

• B.

5

• C.

4

• D.

3

• 59.
Describe the correlation of the above graph.
• A.

No correlation

• B.

Positive correlation

• C.

Negative correlation

• 60.
Describe the correlation of the above graph.
• A.

No correlation

• B.

Positive correlation

• C.

Negative correlation

• 61.
What is the independent variable?
• A.

Gas mileage

• B.

Miles per gallon

• C.

Weight of car

• D.

Number of cars sold

• 62.
Extrapolate to estimate the miles per gallon of a 2000 lbs car.
• A.

40 miles per gallon

• B.

30 miles per gallon

• C.

20 miles per gallon

• D.

10 miles per gallon

• 63.
What type of graph is depicted above?
• A.

Histogram

• B.

Back to back stem and leaf plot

• C.

Boxplot

• D.

Time series graph

• 64.
How many numbers were in the original data set for a pulse rate before exercise?
• A.

5

• B.

10

• C.

15

• D.

20

• 65.
What is the highest pulse rate after exercise?
• A.

100

• B.

90

• C.

92

• D.

80

• 66.
What is the lowest pulse rate after exercise?
• A.

50

• B.

59

• C.

70

• D.

60

• 67.
What is the third quartile?  (estimate)
• A.

101

• B.

75

• C.

123

• 68.
What is the interquartile range?  (estimate)
• A.

100

• B.

75

• C.

50

• D.

25

• 69.
What is the dependent variable?
• A.

Number of tree

• B.

Number of beetles

• C.

30,000

• 70.
What was the temperature on Jan 14th?
• A.

5

• B.

10

• C.

84

• D.

-5

• 71.
What is the trend between Jan 5 and Jan 9?
• A.

No trend

• B.

Negative trend

• C.

Positive trend

• 72.
What is the range?  (estimate)
• A.

140

• B.

95

• C.

80

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