psy 315

1. One hundred people are included in a study in which they are compared to a known population that has a mean of 73, a standard deviation of 20, and a rectangular distribution.

a. μM = __________.

b. σM = __________.

c. The shape of the comparison distribution is __________.

d. If the sample mean is 75, the lower limit for the 99% confidence interval is __________.

e. If the sample mean is 75, the upper limit for the 99% confidence interval is __________.

f. If the sample mean is 75, the lower limit for the 95% confidence interval is __________.

g. If the sample mean is 75, the upper limit for the 95% confidence interval is __________.