AKS 39-40 Comparing Populations Reteach Practice

• The mean for the house cat is 9. The mean for the small dog is 11. Small dogs weigh more with less variation.

• The mean for the house cat is 11. The mean for the small dog is 9. House cats weigh more with less variation.

• The mean for the house cat is 11. The mean for the small dog is 9. House cats weigh less with more variation.

• The mean for the house cat is 11. The mean for the small dog is 9. House cats weigh more with more variation.

• The median for the fruit data is 100. The median for the vegetable data is 50. Fruits have a higher number for calories with greater variation.

• The median for the fruit data is 50. The median for the vegetable data is 100. Fruits have a higher number of calories with greater variation.

• The median for the fruit data is 100. The median for the vegetable data is 50. Vegetables have a higher number of Calories with a greater variation.

• The median for the fruit data is 100. The median for the vegetable data is 50. Fruits have a higher number for calories with less variation.

Which of the following statements is true?

• Group 1 has a greater median number of hours that they watched television. Group 1 has a smaller IQR, so the data is less spread out.

• The mean for group 2 is larger than the mean for group 1.

• The median for group 2 is larger than the median for group 1.

• Both sets of data are symmetric. You should use the mean to compare the measures of center.

Which class had the greater range of scores?

• Room 300

• Room 240

Which class would the mean most likely be higher than the median?

• Room 300

• Room 240

Which class shows more consistent test scores?

• Room 300 because of a larger range.

• Room 240 because of a larger range.

• Room 300 because of a smaller range.

• Room 240 because of a smaller range.

What can you infer about the populations for the two classrooms?

• Room 240 has more test scores than Room 300.

• Room 300 has lower test scores.

• Room 240 has higher test scores.

• Room 300 has higher test scores.

Which measure of center best describes the data?

• Mean

• Median

• Mean or median

• Mode

Which measure might be misleading in describing the average price of sunglasses?

• Mean

• Median

• Mode

• Range

What is the visual overlap for this set of populations?

• The visual overlap is from 0 - 100.

• The visual overlap is from 25 - 200.

• The visual overlap is from 25 - 100.

• The visual overlap is from 25 - 125.