Question

Mean player age Mean Absolute Team Three golf teams wanted to compare the ages of their players. Each team calculated their players' mean age in years and the mean absolute deviation of their ages. They displayed the results in this table. 9.5 45 Appleton Coalvale 31 15.9 Which statements are true? Summerton 43 16.1 Select each correct answer. Team Coalvale's players ages and Team Summerton's players ages vary about the same amount Team Summerton's players ages and Team Appleton's players ages vary about the same amount Team Appleton's players ages vary less than do Team Summerton's players ages. Team Appleton's players ages vary more than do Team Coalvale's players ages. a ? 7+ O i JOTE to search

Answer 1

Given:

• Appleton: Mean = 45; Mean Absolute deviation = 9.5

,

• Coalvale: Mean = 31; Mean Absolute deviation = 15.9

,

• Summerton: Mean = 43; Mean Absolute deviation = 16.1

Using the given data, let's select the correct statements.

From the data we can see the difference between the Mean Absolute Deviations of team Coalvale and Summerton is (16.1 - 15.9) = 0.2

This means the ages of team Coalvale and Summerton vary about the same about.

The Mean Absolute deviation of Appleton is far from other mean absolute deviation. This means the players ages for team Appleton vary less than others.

Therefore, the correct statements are:

• Team Coalvale's players ages and Team Summerton's players ages vary about the same amount.

• Team Appleton's players ages vary less than do Team Summerton's players ages.

ANSWER:

• Team Coalvale's players ages and Team Summerton's players ages vary about the same amount.

• Team Appleton's players ages vary less than do Team Summerton's players ages.