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A study examined patterns and characteristics of volunteer service for young peo

ID: 3182740 • Letter: A

Question

A study examined patterns and characteristics of volunteer service for young people from high school through early adulthood. Here are some data that can be used to compare males and females on participation in unpaid volunteer service or community service and motivation for participation.

Note that the percents in each row sum to 100%.

(a) Graphically compare the volunteer-service profiles for men and women. Describe any differences that are striking.

Women have a noticeably higher percentage in the strictly voluntary category.There are no striking differences.    Men dominate every category.Women dominate every category.


(b) Find the proportion of men who volunteer. Do the same for women. Compute the relative risk of being a volunteer for females versus males. (Round your answer for relative risk to two decimal places.)


Write a clear sentence contrasting females and males using relative risk as your numerical summary.

Men and women participate equally.

A higher percentage of women were participants.   

A higher percentage of men were participants.

none of the above

Participants Motivation Gender Strictly Voluntary Court-ordered Other Non-participants Men 32.8% 2.2% 7.9% 57.1% Women 42.5% 1.5% 7.0% 49.0%

Explanation / Answer

SolutionA:

Women have a noticeably higher percentage in the strictly voluntary category(42.5%)

Solutionb:

men=32.8%=0.328

Women=42.5%=42.5/100=0.425

the relative risk of being a volunteer for females versus males

RR=42.5%/32.8%=1.29

For ques:

Write a clear sentence contrasting females and males using relative risk as your numerical summary.

A higher percentage of women were participants.