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

Question #1

A confidence interval (is)…

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

B. Always 95%

C. Always 5% in the tails

D. Always starts with a proportion

E. Always starts with a mean

Question #2

A 95% confidence interval…

A. Has the population parameter as the middle

B. All of these

C. Usually includes the sample mean

D. Probably includes the population parameter

E. Always includes the population parameter

Question #3

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

A. More than 10 cases

B. Variation Ratio

D. More than 1,000 cases

E. Less than .05

F. More than 29 cases

Question #4

On which hypothesis do statistical tests focus?

A. Alternate

B. Other

C. Null

D. Research

E. Alternative

Question #5

We can reject the null if…

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

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

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

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

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