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. 2.50%

B. 1.96

C. 95.44%

D. 95%

E. 68.26%

Question #2

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

A. Giraffe

B. Sampling distributions are always normal

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

D. Samples cluster around the population mean

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

Question #3

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

A. 1.64

B. 2.57

C. 1.96

D. 2.33

F. 2

Question #4

When the z is bigger, the p is smaller?

A. Neither true nor false

B. TRUE

C. FALSE

D. Both true and false

E. This is not the answer

Question #5

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

A. Sampling error

B. Standard error

C. Deviation distribution

D. Standard deviance

E. Sampling deviation