Question
here is the question: The Donaldson Corporation wants to hire a temporary secretary. There are two employment agencies in town, and it is believed that
here is the question: The Donaldson Corporation wants to hire a temporary secretary. There are two employment agencies in town, and it is believed that the average hourly wage charged by both agencies is the same. A Donaldson manager surveyed other employers in town to find what they paid the agencies for temporary secretaries. The results are summarized below. At, test the claim that each agency charges the same hourly wage. Imported wine: X-bar_1 =$9.55/hour ; s_1 =$1.45/hour ; n_1=20
Domestic wine: X-bar_2 =$9.25 ; s_2 =$1.25 ; n_2 =18
here are the options:
A. H0: 1 = 2 (claim), and H1: 1 2 Critical values: 2.093 Test value: t = 3.92 Reject the null hypothesis. There is enough evidence to reject the claim that the two agencies charge the same hourly wage for temporary secretaries.
B. H0: 1 = 2 (claim), and H1: 1 2 Critical values: 2.110 Test value: t = 0.69 Do not reject the null hypothesis. There is not enough evidence to reject the claim that the two agencies charge the same hourly wage for temporary secretaries.
C. H0: 1 = 2 (claim), and H1: 1 2 Critical values: 2.110 Test value: t = 3.92 Reject the null hypothesis. There is enough evidence to reject the claim that the two agencies charge the same hourly wage for temporary secretaries.
D. H0: 1 = 2 (claim), and H1: 1 2 Critical values: 2.093 Test value: t = 0.69 Do not reject the null hypothesis. There is not enough evidence to reject the claim that the two agencies charge the same hourly wage for temporary secretaries.
Which of them are correct? A, B, C or D?
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