One-Variable Statistics

Which will be greater for the graph given: the mean or the median?

• mean

• median

Which will be greater for the graph given: the mean or the median?

• mean

• median

Which will be greater for the graph given: the mean or the median?

• mean

• median

When a set of data is symmetric with no outliers, what is the more appropriate measure of center?

• mean

• median

When a set of data is skewed or has outliers, what is the more appropriate measure of center?

• mean

• median

If the mean is the measure of center, what should be used to measure variability?

• mean absolute deviation (MAD)

• interquartile range (IQR)

If the median is the measure of center, what should be used to measure variability?

• mean absolute deviation (MAD)

• interquartile range (IQR)

What is the age of the youngest person employed at the software company?

• 10

• 15

• 19

• cannot be determined

Order the dot plots from least to greatest standard deviation.

• A, D, C, B

• B, C, D, A

• A, D, B, C

• B, C, A, D

The simplest measure of variability is...

• range

• standard deviation

• IQR

• mean