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 5% in the tails

C. Always starts with a mean

D. Always 95%

E. Always starts with a proportion

Question #2

A 95% confidence interval…

A. All of these

B. Probably includes the population parameter

C. Has the population parameter as the middle

D. Usually includes the sample mean

E. Always includes the population parameter

Question #3

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

A. More than 29 cases

B. Variation Ratio

C. Less than .05

E. More than 1,000 cases

F. More than 10 cases

Question #4

On which hypothesis do statistical tests focus?

A. Alternate

B. Null

C. Alternative

D. Other

E. Research

Question #5

We can reject the null if…

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

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

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

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

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