Members of fraternities and sororities are required to volunteer for community service. Do fraternity brothers work more volunteer hours on average than sorority sisters? The data below show the number of volunteer hours worked for twelve randomly selected fraternity Brothers and twelve randomly selected sorority sisters. Brothers: 8 8 5 3 12 5 14 12 11 9 14 10 Sisters: 9 5 7 8 5 4 6 9 5 6 3 8 сл

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Author:Amos Gilat
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Members of fraternities and sororities are required to volunteer for community service. Do fraternity
brothers work more volunteer hours on average than sorority sisters? The data below show the number of
volunteer hours worked for twelve randomly selected fraternity Brothers and twelve randomly selected
sorority sisters.
Brothers: 8
8 5 3 12
5 14 12 11 9 14 10
Sisters: 9 5 7 8 5
4 69 5 6 3 8
distribution. What can be concluded at the a = 0.01 level of significance
Assume both follow a Normal
level of significance?
For this study, we should use Select an answer
a. The null and alternative hypotheses would be:
Ho: Select an answer ✓
Select an answer
(please enter a decimal)
Select an answer ✓
Select an answer ✓
H₁: Select an answer ✓
Select an answer (Please enter a decimal)
(please show your answer to 3 decimal places.)
b. The test statistic?v=
c. The p-value =
(Please show your answer to 4 decimal places.)
Transcribed Image Text:Members of fraternities and sororities are required to volunteer for community service. Do fraternity brothers work more volunteer hours on average than sorority sisters? The data below show the number of volunteer hours worked for twelve randomly selected fraternity Brothers and twelve randomly selected sorority sisters. Brothers: 8 8 5 3 12 5 14 12 11 9 14 10 Sisters: 9 5 7 8 5 4 69 5 6 3 8 distribution. What can be concluded at the a = 0.01 level of significance Assume both follow a Normal level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer ✓ Select an answer (please enter a decimal) Select an answer ✓ Select an answer ✓ H₁: Select an answer ✓ Select an answer (Please enter a decimal) (please show your answer to 3 decimal places.) b. The test statistic?v= c. The p-value = (Please show your answer to 4 decimal places.)
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