Question
In a hypothesis test with hypotheses and , a random sample of61elements selected from the population produced a mean of47.1. Assume that 7.4, and that
In a hypothesis test with hypotheses
and
, a random sample of61elements selected from the population produced a mean of47.1. Assume that
7.4, and that the test is to be made at the 2.5% significance level.
What is the critical value ofz?
1.96
-1.65
1.65
-1.96
What is the value of the test statistic,z, rounded to three decimal places?
Enter you answer; What is the value of the test statistic, z?
What is thep-value for this hypothesis test, rounded to four decimal places?
Enter you answer; What is the p-value for this hypothesis test?
Should you reject or fail to reject the null hypothesis in this test?
Choose your answer; Should you reject or fail to reject the null hypothesis in this test?
Reject.Fail to reject.
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