Anova approach to test the appropriate hypotheses

Reference no: EM13966054

A company claims that its medicine, brand A, provides faster relief from pain than another company's medicine, brand B. A random sample from each brand gave the following times (in minutes) for relief. Do the data present suf?cient evidence to indicate that there is a difference in the mean time to relief for the two populations?

Brand A:	47	51	45	53	41	55	50	46	45	51	53	50	48
Brand B:	44	48	42	45	44	42	49	46	45	48	39	49

(a) Use the ANOVA approach to test the appropriate hypotheses. Use α = 0.01.

(b) What assumptions are necessary for the conclusion in part (a)?

(c) Test the appropriate hypothesis by using the two-sample t-test for comparing population means. Compare the value of the t-statistic to the value of the F -statistic calculated in part (a).

Reference no: EM13966054

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