Review One Variable Statistics

A box plot divides the data into quarters or 25% increments.

• True

• False

Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15

• Mean

• median

• mode

What is a graphic way of showing a summary of data using the median, quartiles, and extremes of the data?

• Stem-and-Leaf Plot

• Bar Graph

• Box Plot

• Pie Chart

For five days in January, Buffalo recorded the following daily high temperatures: 5^◦, 2^◦, 7^◦, 9^◦, and 7^◦. Which statement about the temperatures is true?

• median = mode

• median < mode

• mean > median

• mean = median

Which histogram shows a bimodal distribution?

• A

• B

• C

• D

• E

A typical value is found by using either the...

• MAD

• Mean

• Standard Deviation

• Median

What value is the lower quartile?

• 66

• 58

• 60

• 64

Which has a larger IQR?

• Zach

• Steven

• They have the same IQR

Which plot has a median of 50?

• Plot 1

• Plot 2

• Plot 3

• Plot 4

Find the Mean Absolute Deviation of the set: 56, 21, 55, 30, 33

• 39

• 13.2

• 195

• 65.2