(A) 4/11 Comparing Populations Box Plots (A)

1

Based on the box plots above, determine which statements are true and which are false.

Class 2 had a smaller range of test scores compared to Class 1.
The range of test scores in Class 1 was 65%.
The interquartile range for Class 1 was 15% while the interquartile range for Class 2 was 20%.
No student earned 100% on the math test in either class.
The median test score for Class 2 was 75%.
Over half of the students earned a score higher than 90% in Class 1.
The median test score for Class 1 was about 75%.
The lowest test score for Class 2 was a 50%.
Overall, Class 1 had lower test scores than Class 2.

True
False

1

Using the given double box-and-whisker plot, determine the percent of the boys and then the percent of the girls who are 66 inches or shorter.

50%, 25%

50%, 75%

75%, 25%

25%, 75%

1

It is thought that taking math tests in the morning results in higher grades than taking math tests in the afternoon. Does the data represented in the box plots confirm this hypothesis or not?

Yes, taking math tests in the morning results in higher grades than taking math tests in the afternoon.

No, because taking math tests in the afternoon results in higher grades than taking math tests in the morning.

1

Using the given double box plot, which club has a higher interquartile range?

Both are equal.

Club 2

Club 1

1

Two cars are racing. The distribution of their speeds at 5 second intervals are represented by the box plots.
Which car has more consistent speeds?

Car A

Car B

Neither of them.

1

A

B

C

1

A

B

C

D

1

Based on the box plot, which school would most likely have a mean lower that its median?

School A

School B

both

neither

1

This is a MULTIPLE SELECTION question.

1

Based on the box plots, which period has a mean that would more than likely be lower than its median?

1st Period

2nd Period

both

neither

1

A

B

C

D

1

A

B

C

D

1

A

B

C

D

1

A

B

C

D

1

A

B

C

D

1

A

B

C

D

1

Which class shows the most variability in miles run?

Class A

Class B

They are the same

(A) 4/11 Comparing Populations Box Plots (A)

Based on the box plots above, determine which statements are true and which are false.

Using the given double box-and-whisker plot, determine the percent of the boys and then the percent of the girls who are 66 inches or shorter.

It is thought that taking math tests in the morning results in higher grades than taking math tests in the afternoon. Does the data represented in the box plots confirm this hypothesis or not?

Using the given double box plot, which club has a higher interquartile range?

Two cars are racing. The distribution of their speeds at 5 second intervals are represented by the box plots.Which car has more consistent speeds?

Based on the box plot, which school would most likely have a mean lower that its median?

This is a MULTIPLE SELECTION question.

Based on the box plots, which period has a mean that would more than likely be lower than its median?

Which class shows the most variability in miles run?

Based on the box plots above, determine which statements are true and which are false.

Using the given double box-and-whisker plot, determine the percent of the boys and then the percent of the girls who are 66 inches or shorter.

It is thought that taking math tests in the morning results in higher grades than taking math tests in the afternoon. Does the data represented in the box plots confirm this hypothesis or not?

Using the given double box plot, which club has a higher interquartile range?

Two cars are racing. The distribution of their speeds at 5 second intervals are represented by the box plots.Which car has more consistent speeds?

Based on the box plot, which school would most likely have a mean lower that its median?

This is a MULTIPLE SELECTION question.

Based on the box plots, which period has a mean that would more than likely be lower than its median?

Which class shows the most variability in miles run?

Two cars are racing. The distribution of their speeds at 5 second intervals are represented by the box plots.
Which car has more consistent speeds?

Two cars are racing. The distribution of their speeds at 5 second intervals are represented by the box plots.
Which car has more consistent speeds?