This Question: 4 pts 33of45(23 complete) Use technology and a t-Hest to test the

Question

This Question: 4 pts 33of45(23 complete) Use technology and a t-Hest to test the claim about the population Cairn: >79; .0.05 Sample statistics: x.81 1, s-3.7, n.25 the populaion is normally distributed HH79 What is the value of the standardized test statistic? The standardized test statiatic is(Round to two decimal places as neesed) The standardized test statste is·(Round to two decimal places as needed.) What is the P.value of the test statistic? P-value--(Round to three decmal places as needed.) Decide whether to reject or falil to reject the null hypothesis. Choose the correct answer below OA. Fail to rep Mo There is not enough ovidence to support the claim O B. Reject H.There is enough evidence to support the claim O C. Fail to reject Ho. There is enough evidence to support the claim O D. Reject Ho. There is not enough evidence to support the claim Click to select your answerls). 2 5 6

Explanation / Answer

Answer:

Option B:

Ho: µ 79

Ha: µ > 79

One-Sample T

Test of mu = 79 vs > 79

                                  95%

                                Lower

N     Mean   StDev SE Mean    Bound     T      P

25 81.1000 3.7000   0.7400 79.8339 2.84 0.005

Answer:

The standardized test statistics is 2.84

P-value = .005

Option C: Reject Ho. There is enough evidence to support the claim.

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