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

Question #1

A confidence interval (is)…

A. Always starts with a proportion

B. Always 95%

C. Always starts with a mean

D. A statistic plus or minus some z * std errors

E. Always 5% in the tails

Question #2

A 95% confidence interval…

A. All of these

B. Always includes the population parameter

C. Has the population parameter as the middle

D. Probably includes the population parameter

E. Usually includes the sample mean

Question #3

A “large sample” (according to Godard) means…

A. Less than .05

B. More than 1,000 cases

C. More than 29 cases

D. More than 10 cases

F. Variation Ratio

Question #4

On which hypothesis do statistical tests focus?

A. Null

B. Other

C. Alternate

D. Alternative

E. Research

Question #5

We can reject the null if…

A. The p is more than 5% (.05)

B. The p is less than 95% (.95)

C. The p is more than 95% (.95)

D. The p is more than 1.96 (19.6%)

E. The p is less than 5% (.05)