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

Question #1

A confidence interval (is)…

A. Always 95%

B. Always 5% in the tails

C. Always starts with a proportion

D. Always starts with a mean

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

Question #2

A 95% confidence interval…

A. All of these

B. Always includes the population parameter

C. Usually includes the sample mean

D. Has the population parameter as the middle

E. Probably includes the population parameter

Question #3

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

B. More than 10 cases

C. Less than .05

D. Variation Ratio

E. More than 29 cases

F. More than 1,000 cases

Question #4

On which hypothesis do statistical tests focus?

A. Alternative

B. Other

C. Null

D. Research

E. Alternate

Question #5

We can reject the null if…

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

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

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

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

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