8.3 - Comparing Data Sets

What is the range of the graph?

• 4

• 3.5

• 5

• 4.5

Find the mode

• 74

• 82

• 80

• 83

What is the range of time spent on homework

• 46 min.

• 41 min.

• 31 min

• 77 min.

What is the range of speeds tested?

• 0.5 mph

• 1.5 mph

• 0.3 mph

• 1.3 mph

What is the range of Susie's Test Scores?

• 40

• 30

• 15

• 25

Select all that are true.

• The top box and whisker plot is the Florida Marlins.

• The bottom box and whisker plot has a bigger standard deviation.

• Both box and whisker plots have roughly equal medians.

• Both box and whisker plots are skewed right.

• The top box and whisker plot has a bigger standard deviation.

Consider the data set:

{98, 95, 97, 89, 88, 95, 90, 81, 87, 95}

The mean is 93.5, median is 945., mode is 97, range is 17 and standard deviation is 5.1. If you add two to each data value of the set, which measures will stay the same? Select all that apply.

• Mean

• Median

• Mode

• Range

• Standard Deviation

Consider the data set:

{5, 12, 7, 3, 8, 5, 7, 1, 4, 7, 3, 9}

If we add 22 to all data values in the set, what will be true? Select all that apply.

• The median will stay the same.

• The range will increase by 22

• The mode will be 22.

Consider the data set:

{71, 72, 68, 70, 72, 67, 68, 72, 65, 70}

If we multiply all data values in the set by 5, what will be true? Select all that apply.

• The median will increase by x5.

• The range will increase.

• The mode was 72 and will change to 360.

Consider the data set:

{55, 50, 58, 52, 56, 57, 50, 55, 50}

If we multiply all data values in the set by 2, what will be true? Select all that apply.

• The median will decrease.

• The range will increase from 8 to 16.

• The mode was 50 and will change to 100.