Recreational Time 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...



Recreational Time
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=0.05 , is there a difference between the means? Use the critical value method and tables.


























X




σ




n


No children

8.7




2.6




32


Children

10.5




2.7




32




(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.

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.













Jun 03, 2022
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