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Author Question: In 2012, the average donation to the Help Way was 225 with a standard deviation of 45 . In 2013, the ... (Read 208 times)

ssal

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on: Aug 1, 2018
In 2012, the average donation to the Help Way was 225 with a standard deviation of 45 . In 2013, the average donation was 400 with a standard deviation of 60 . In which year did the donations show a more dispersed distribution?

Question 2

In 2008, the average age of students at UTC was 22 with a standard deviation of 3.96 . In 2009, the average age was 24 with a standard deviation of 4.08 . In which year do the ages show a more dispersed distribution? Show your complete work and support your answer.


ju

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Reply #1 on: Aug 1, 2018
Answer to Question 1

The coefficient of variation in 2012 was 20 (more dispersed).
The coefficient of variation in 2013 was 15.

Answer to Question 2

C.V. for 2008 = 18, C.V. for 2009 = 17
Therefore 2008 shows a more dispersed distribution.


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