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

Question #1

A confidence interval (is)…

A. Always starts with a mean

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

C. Always 5% in the tails

D. Always 95%

E. Always starts with a proportion

Question #2

A 95% confidence interval…

A. Usually includes the sample mean

B. Probably includes the population parameter

C. All of these

D. Has the population parameter as the middle

E. Always includes the population parameter

Question #3

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

A. More than 29 cases

B. More than 10 cases

C. More than 1,000 cases

E. Less than .05

F. Variation Ratio

Question #4

On which hypothesis do statistical tests focus?

A. Other

B. Alternative

C. Null

D. Alternate

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 1.96 (19.6%)

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

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