Should you conclude that people who have recently had a traumatic experience have a significantly different number of dreams in which they are alone? (a) Carry out a Z test using the five steps of hypothesis testing (use the. Thus, the psychologist studies 36 individuals who have recently experienced a traumatic event, having them keep a record of their dreams for a month. The researcher wants to test the prediction that the number of such dreams will be greater among people who have recently experienced a trau-matic event. We will assume that based on extensive previous research, it is known that in the general population the number of such dreams per month follows a normal curve, with = 5 and = 4. SetII: # 20 a&b: "A psychologist is interested in the conditions that affect the number of dreams per month that people report in which they are alone. Set II: #14 b & c: " Figure the standard deviation of the distribution of means for a population with a standard deviation of 20 and sample sizes of (a) 10, (b) 11, (c) 100, and (d) 101." Set I: # 1: " Why is the standard deviation of the distribution of means generally smaller than the standard deviation of the distribution of the population of individuals?" Instructions: Please write the answers for each problem in the spaces provided.
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