California State University, Northridge » Sociology » Soc 424 - Statistical Techn » Fall 2021

Question #1

What estimated % of sample means fall within one standard error of the population mean?

A. 95.44%

B. 2.50%

C. 68.26%

D. 95%

E. 1.96

Question #2

Which is not a main implication of the Central Limit Theorem?

A. Samples cluster around the population mean

B. Sampling distributions are always normal

C. Giraffe

D. The standard error is usually 1.96 times the standard deviation

E. Larger samples differ less from the population mean than smaller ones

Question #3

What’s the z score for a 95% confidence interval?

A. 2.33

B. 2

C. 2.57

D. 1.96

F. 1.64

Question #4

When the z is bigger, the p is smaller?

A. FALSE

B. Neither true nor false

C. TRUE

D. This is not the answer

E. Both true and false

Question #5

What’s the standard deviation of a sampling distribution called?

A. Sampling error

B. Deviation distribution

C. Sampling deviation

D. Standard deviance

E. Standard error