(d)Make the decision. What's the null hypothesis? (e)Summarize the results. There is ▼(Choose one) that the mean number of hours per week that a family with no children participates in recreational activities and a family with children participates in recreational activities are different. X σ n No children 8.6 2.9 36 Children 10.3 2.6 36
(d)Make the decision. What's the null hypothesis? (e)Summarize the results. There is ▼(Choose one) that the mean number of hours per week that a family with no children participates in recreational activities and a family with children participates in recreational activities are different. X σ n No children 8.6 2.9 36 Children 10.3 2.6 36
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
A researcher wishes to see if there is a difference between the mean number of hours per week that a family with no children participates in recreational activities and a family with children participates in recreational activities. She selects two random samples and the data are shown. Use μ1 for the mean number of families with no children. At α=0.10, is there a difference between the means? Use the P-value method and tables.
(a) State the hypothesis and identify the claim with the correct hypothesis.
H0: ▼(Choose one)
H1: ▼(Choose one) This hypothesis test is a ▼(Choose one) test. |
|
(b)Find the critical value(s). Round the answer to 3decimal places, if necessary. If there ismore than one critical value,
Critical values:
(c)Compute the test value. Round the answer to at least 3
decimal places, if necessary.
decimal places, if necessary.
z=
Compute the P -value. Round the answer to four decimal places.
P-value=
(d)Make the decision.
What's the null hypothesis?
(e)Summarize the results.
There is ▼(Choose one) that the mean number of hours per week that a family with no children participates in recreational activities and a family with children participates in recreational activities are different.
X
|
σ
|
n
|
|
---|---|---|---|
No children |
8.6
|
2.9
|
36
|
Children |
10.3
|
2.6
|
36
|
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