A sample of 40 grades from a statewide examination is shown in Table 17.5. Test the hypothesis at the 0.05 significance level that the median grade for all participants is (a) 66 and (b) 75. Work the...

A sample of 40 grades from a statewide examination is shown in Table 17.5. Test the hypothesis at the 0.05 significance level that the median grade for all participants is (a) 66 and (b) 75. Work the problem first by hand, supplying all the details for the sign test. Follow this with the MINITAB solution to the problem.

71	67	55	64	82	66	74	58	79	61
78	46	84	93	72	54	78	86	48	52
67	95	70	43	70	73	57	64	60	83
73	40	78	70	64	86	76	62	95	66

May 26, 2022

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A sample of 40 grades from a statewide examination is shown in Table 17.5. Test the hypothesis at the 0.05 significance level that the median grade for all participants is (a) 66 and (b) 75. Work the...

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71	67	55	64	82	66	74	58	79	61
78	46	84	93	72	54	78	86	48	52
67	95	70	43	70	73	57	64	60	83
73	40	78	70	64	86	76	62	95	66

71	67	55	64	82	66	74	58	79	61
78	46	84	93	72	54	78	86	48	52
67	95	70	43	70	73	57	64	60	83
73	40	78	70	64	86	76	62	95	66

71	67	55	64	82	66	74	58	79	61
78	46	84	93	72	54	78	86	48	52
67	95	70	43	70	73	57	64	60	83
73	40	78	70	64	86	76	62	95	66