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

Question #1

A confidence interval (is)…

A. Always 95%

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

C. Always starts with a proportion

D. Always starts with a mean

E. Always 5% in the tails

Question #2

A 95% confidence interval…

A. Has the population parameter as the middle

B. All of these

C. Always includes the population parameter

D. Usually includes the sample mean

E. Probably includes the population parameter

Question #3

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

B. More than 10 cases

C. More than 1,000 cases

D. More than 29 cases

E. Less than .05

F. Variation Ratio

Question #4

On which hypothesis do statistical tests focus?

A. Null

B. Alternate

C. Research

D. Other

E. Alternative

Question #5

We can reject the null if…

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

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

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

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

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