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%

B. 2.50%

C. 1.96

D. 95.44%

E. 68.26%

Question #2

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

A. Sampling distributions are always normal

B. Samples cluster around the population mean

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

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

E. Giraffe

Question #3

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

A. 2.33

C. 1.96

D. 1.64

E. 2.57

F. 2

Question #4

When the z is bigger, the p is smaller?

A. TRUE

B. Both true and false

C. FALSE

D. This is not the answer

E. Neither true nor false

Question #5

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

A. Deviation distribution

B. Sampling deviation

C. Standard deviance

D. Sampling error

E. Standard error