Suppose a principal claims that the mean test score at her school is greater tha

Question

Suppose a principal claims that the mean test score at her school is greater than the national average. She performs a hypothesis test and finds the best statistic to be t 177 and she knows the critical value for this test to bet 1.98 What can she conclude? O A. There is sufficient evidence to support her claim since the test statistic falls in the critical region. OB. There ts sutoont ovidenco to support herclam sincothe test statistic does not fall in the critical regon. O C. There is not sufficient evidence to support her dlaim since the test statistic does not fall in the cnitical region O D. There is not sufficient evidence to support her claim since the test statistic fails in the critical region.

Explanation / Answer

Option-C) There is not sufficient evidence to support her claim since the test statistic does not fail in the critical region.

                                                                                                                                                                                                                                                           

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