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

Question #1

A confidence interval (is)…

A. Always 5% in the tails

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

C. Always starts with a proportion

D. Always 95%

E. Always starts with a mean

Question #2

A 95% confidence interval…

A. Always includes the population parameter

B. Has the population parameter as the middle

C. Usually includes the sample mean

D. Probably includes the population parameter

E. All of these

Question #3

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

A. More than 10 cases

C. Less than .05

D. More than 29 cases

E. Variation Ratio

F. More than 1,000 cases

Question #4

On which hypothesis do statistical tests focus?

A. Other

B. Research

C. Null

D. Alternate

E. Alternative

Question #5

We can reject the null if…

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

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