The mean number of surgeries performed

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Reference no: EM131135662

There are three hospitals in the Tulsa, Oklahoma, area. The following data show the num- ber of outpatient surgeries performed at each hospital last week. At the .05 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospital or by day of the week.

Day	St. Luke's	St. Vincent	Mercy
Monday	14	18	24
Tuesday	20	24	14
Wednesday	16	22	14
Thursday	18	20	22
Friday	20	28	24

19. Consider the following sample data for a two-factor ANOVA experiment:

			Size
		Small	Medium	Large
		23	20	11
	Heavy	21	32	20
		25	26	20
Weight
		13	20	11
	Light	32	17	23
		17	15	8

Use the .05 significance level to answer the following questions.

a. Is there a difference in the Size means?

b. Is there a difference in the Weight means?

c. Is there a significant interaction between Weight and Size?

Reference no: EM131135662

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