Measures of Center and Comparing

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 histogram would have a larger standard deviation?

• Histogram A

• Histogram C

• They are about the same.

I have been walking to keep fit. These are the number of miles I have been walking everyday: 5, 4, 3, 5, 4.5, 5.5 and 2.5. What is my mean walking distance?

• 3.5

• 4.75

• 4.21

• 3.71

Which measure of center and variability should you use to to compare these data sets? Choose one of each.

• Mean

• Median

• Standard Deviation

• IQR

Which measure of center and variability should you use to to compare these data sets? Choose one of each.

• Mean

• Median

• Standard Deviation

• IQR

Which set has a greater measure of center?

• A

• B

Which set has greater variability?

• A

• B

Which set has a greater measure of center?

• A

• B

Which set has a greater measure of center?

• A

• B

Which measure of center and variability should you use to to compare these data sets? Choose one of each.

• Mean

• Median

• Standard Deviation

• IQR