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Question 8 of 50
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A school administrator claimed that the average time spent on a school bus by those students in his district who rode school buses was 35 minutes. A
random sample of 20 students who did ride the school buses yielded an average of 42 minutes riding time with a standard deviation of 6.2 minutes
Does this sample of size 20 contain sufficient evidence to indicate that the mean riding time is greater than 35 minutes at the 5% level of significance?
The test hypotheses are:
Oa := 35v5 H 2235 D
OD <350 H, -u335
Ochu= 35vs # >35
Od JE 423 H :> 42
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