Analyzing & Interpreting Data: Inferential Analysis

Question

Decide which type of analysis should be used to compare the groups in each of the following studies. Choose fromT-test for two non-independent sample meansANOVAMANOVA; &Mann-Whitney. Explain your answers in well constructed sentences; pay attention to proper spelling and grammar.

a) Two groups of randomly selected students in a medical ethics class were surveyed to compare average hours of sleep per night with class performance. Each group was composed of 14 students.

b) Two 50-patient groups were compared with regard to mean blood pressure before and after a diet intervention. The groups were matched on age, gender, income, education level, race, and history of high blood pressure.

c) Three 100-person groups were compared with regard to post-exercise heart rate. The groups were exposed to light, moderate and strenuous exercise, respectively.

d) Three 100-person groups were compared with regard to post-exercise heart rate and lung function. Again, these groups were exposed to light, moderate and strenuous exercise, respectively.

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