1. Which of the following summary measures cannot be directly calculated from a boxplot?

Group of answer choices

Mean

Standard deviation

none of these choices can be directly calculated from a boxplot

Sample size

2. If you add the same positive number to every value of a data set what happens to the standard deviation?

Group of answer choices

Gets larger

Gets smaller

Does not change

3. Data are collected on the fuel economy of 2016 model midsize cars. The information measured in average miles per gallon (mpg) is summarized below:

Descriptive Statistics: MPG

Variable	Total Count	Mean	StDev	Min	Q1	Median	Q3	Max
MPG	32	31.750	3.874	24.000	28.000	32.500	33.750	41.000

True or false: Every descriptive statistic in this table except Total Count is measured in MPG.

Group of answer choices

True

False