7 What is the population variance?
A 4.22
B 4.24
C4.26
D.4.28
8. What is the population standard deviation?
A 2.05
B 2.01
C. 203
D. 207
9. What is the mean of the sampling distribution of means?
A 7.69
B. 7.67
C. 7.85
D 7.63
10. What is the variance of the sampling distribution of means?
A 2.11
B. 2.33
C 2.44
D 2.55
11. What is the standard deviation of the sampling distribution of means?
A 1.41
B. 1.43
C. 1.45
D. 1.47
12. Which of the following statements is TRUE about the mean of the sampling
distribution and population mean?
A. The mean of the sampling distribution of the means is equal to the population
mean
B. The mean of the sampling distribution of the means is less than the population
mean
C. The mean of the sampling distribution of the sample means is greater than the
population mean
D. The mean of the sampling distribution of the means may be equal, less than, or
greater than the population mean.