Practice Test Answers

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Which of the following is a true statement based on the histogram?

A
The interval from 37 to 38 seconds saw the most lap times.
B
There were no lap times between 35 and 36 seconds.
C
There were six laps with times less than 37 seconds.
D
There were three laps with times greater than 38 seconds.
3

What is the mean resting heart rate for this sample?

A
69 point 9 beats per minute
B
66 point 0 beats per minute
C
70 point 0 beats per minute
D
69 point 0 beats per minute
5

Which of the following is the correct five-number summary?

A
22 , 24 point 5 , 26 , 28 , 30
B
22 , 24 , 26 , 28 , 29
C
23 , 24 point 5 , 26 , 28 , 29
D
22 , 24 , 27 , 28 , 30
6

Which of the following is the missing value?

A
0 point 3 0
B
0 point 5 0
C
0 point 2 7
D
0 point 3 7
8

What is the shape of the distribution of bag weight?

A
skewed left
B
roughly symmetric
C
uniform
D
skewed right
9

Which of the following statements is true, according to the graph?

A
The lowest percentage of those preferring nonfiction is among 9th-grade students.
B
The percentage of preference for each type of book is relatively equal among the different grades of students.
C
The highest percentage of those preferring nonfiction is among 12th-grade students.
D
The percentage of those preferring fiction and nonfiction is equal among 11th-grade students.
17

Which of the following displays is a relative frequency bar graph?

A
Image with description A bar graph titled social media preferences has platform on the x-axis . Upstart, 4; Aster, 18; Babble, 15; Techy, 12.
B
Image with description A bar graph titled eye color has color on the x-axis. Blue, 8; brown, 10; green, 6; hazel, 5; gray, 1.
C
Image with description A bar graph titled Caffeinated Drinks has drink on the x-axis. Coffee, 9; tea, 8; soda, 8; energy, 3.
D
Image with description A bar graph titled social media preferences has platform on the x-axis. Upstart, 0.10; Aster, 0.25; Babble, 0.30; Techy, 0.35.
18

The five-number summary of a data set is given. Minimum: 3 cap q sub 1 : 12 Median: 15 cap q sub 3 : 16 Maximum: 20 Which of the following is a true statement about outliers for this distribution?

A
Distribution outliers cannot be determined.
B
The distribution’s minimum is an outlier.
C
The distribution’s maximum is an outlier.
D
There are no outliers for this distribution.

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