Measure of Center and Spread

Jade subtracted the smallest value from the largest value in the data set. What statistic was she calculating?

• standard deviation

• range

• variance

• mean

Jessie is comparing the prices of meals at two different restaurants. She makes a dot plot for each of the restaurants showing the cost for each meal on the dinner menu. Which restaurant's data set would have a smaller standard deviation?

• Restaurant A

• Restaurant B

• The variance is about the same.

Which measure of center is affected by extreme values?

• mode

• median

• range

• mean

Which measure of center is not affected by extreme values?

• Mean

• Mode

• Range

• Median

The largest number in a data set is referred to as the ______.

• min

• max

• median

• mean

The smallest value in a data set is referred to as the _______.

• min

• max

• mean

• median

The following symbol represents what? 

• the mean

• the median

• standard deviation

• interquartile range

• range

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation