Members of fraternities and sororities are required to volunteer for community service. Do fraternity brothers work fewer volunteer hours on average than sorority sisters? The data below show the number of volunteer hours worked for thirteen randomly selected fraternity brothers and eleven randomly selected sorority sisters. Brothers: 14 7 11 13 9. 11 6 8 12 7 13 10 13 Sisters: 13 19 16 11 11 19 5 10 16 17 7 Assume both follow a Normal distribution. What can be concluded at the a = 0.05 level of significance level of significance? %3D For this study, we should use Select an answer a. The null and alternative hypotheses would be: Но: Select an answer > Select an answer Select an answer (please enter a decimal) H1: Select an answer Select an answer Select an answer (Please enter a decimal) b. The test statistic ? (please show your answer to 3 decimal places.) с. The p-valuе 3D (Please show your answer to 4 decimal places.)
Members of fraternities and sororities are required to volunteer for community service. Do fraternity brothers work fewer volunteer hours on average than sorority sisters? The data below show the number of volunteer hours worked for thirteen randomly selected fraternity brothers and eleven randomly selected sorority sisters. Brothers: 14 7 11 13 9. 11 6 8 12 7 13 10 13 Sisters: 13 19 16 11 11 19 5 10 16 17 7 Assume both follow a Normal distribution. What can be concluded at the a = 0.05 level of significance level of significance? %3D For this study, we should use Select an answer a. The null and alternative hypotheses would be: Но: Select an answer > Select an answer Select an answer (please enter a decimal) H1: Select an answer Select an answer Select an answer (Please enter a decimal) b. The test statistic ? (please show your answer to 3 decimal places.) с. The p-valuе 3D (Please show your answer to 4 decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
Related questions
Question
Transcribed Image Text:Members of fraternities and sororities are required to
volunteer for community service. Do fraternity brothers work
fewer volunteer hours on average than sorority sisters? The
data below show the number of volunteer hours worked for
thirteen randomly selected fraternity brothers and eleven
randomly selected sorority sisters.
Brothers: 14 7
11
13 9
11 6 8 12 7
13
10
13
Sisters: 13
19
16
11
11
19 5
10
16
17 7
Assume both follow a Normal distribution. What can be
concluded at the a = 0.05 level of significance level of
significance?
For this study, we should use
Select an answer
a. The null and alternative hypotheses would be:
Но:
Select an answer >
Select an answer
Select an answer
(please enter a decimal)
H1:
Select an answer ©
Select an answer
Select an answer O (Please enter a decimal)
b. The test statistic ? O
(please show
your answer to 3 decimal places.)
c. The p-value =
(Please show your answer to
4 decimal places.)
d. The p-value is ? O a
<>
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