Most Variation

Which mean absolute deviation would have a greater variability or spread? 4.2 or 8.5?

• 4.2

• 8.5

The double box plot shows the average monthly high temperatures for Phoenix, Arizona, and Las Vegas, Nevada.

• Las Vega temperatures show greater variability than Phoenix.

• Phoenix temperatures show greater variability than Las Vegas.

• Las Vegas temperatures are more consistently centered around the median.

• Phoenix has a greater temperature range than Las Vegas.

The double dot plot shows the gas mileage, in miles per gallon, for several cars and SUVs.

• The cars have a greater gas mileage with a greater variation.

• The cars have a greater gas mileage with a less variation.

• SUVs have less gas mileage with greater variation.

• SUVs are centered around a greater median.

The double box plot shows the heights in inches for the players on two professional basketball teams.

• While the median heights are about the same, the variation in heights is greater for the NJ Nets than the NY Knicks.

• While the median heights are about the same, the variation in heights is greater for the NY Knicks than the NJ Nets.

• The heights of the NJ Nets are more consistently centered around the median.

• The heights of the NY Knicks are less consistently centered around the median.

Statistics is about ___ because data vary (page 3)

Measure of variation that represents the spread of a set of data.

• Mean

• Median

• Mode

• Range

Variation of a set of data is determined by...

• The spread of data (more spread out = more variation)

• The mean

• The range

• The mode

What 5 items are found when finding the Measures of Variation?

• mean, median, mode, range, IQR

• median, first quartile, third quartile, range, mode

• median, first quartile , third quartile, IQR, range

• mode, IQR, range, mean, first quartile

The double box plot shows the number of Calories per serving for various fruits and vegetables.

• The median for the fruit data is 125.

• The median for the vegetable data is 75.

• The fruits have a higher number of calories with a greater variation.

• The vegetables have a higher number of calories with a greater variation.