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. Probably includes the population parameter

D. Usually includes the sample mean

E. Has the population parameter as the middle

Question #3

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

A. More than 1,000 cases

B. Less than .05

C. More than 10 cases

E. Variation Ratio

F. More than 29 cases

Question #4

On which hypothesis do statistical tests focus?

A. Alternative

B. Alternate

C. Research

D. Null

E. Other

Question #5

We can reject the null if…

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

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

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

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

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