10. Researchers want to examine the effect of perceived control on health compla

Question

10. Researchers want to examine the effect of perceived control on health complaints of geriatric patients in a long-term care facility. Thirty patients are randomly selected to participate in the study. Half are given a plant to care for and half are given a plant but the care is conducted by the staff. Number of health complaints are recorded for each patient over the following seven days. 35 21 26 18 12 16 10 38 15 18 14 19 23 17 23 37 32 27 24 21 What would be the null hypothesis in this study? What would be the alternate hypothesis? Which test did you use? Are you able to reject your null hypothesis? Explain.

Explanation / Answer

S2 = 59.92380952

which test do you use ? we have two independent samples so we use two sample t test

Control over Plant No Control over Plant 23 35 12 21 6 26 15 24 18 17 5 23 21 37 18 22 34 16 10 38 23 23 14 41 19 27 23 24 8 32 Mean = 16.6 Mean = 27.066666666 S = 7.790103612 S = 7.741047056 S2 = 60.68571429

S2 = 59.92380952

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