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 proportion

D. Always 95%

E. Always starts with a mean

Question #2

A 95% confidence interval…

A. Probably includes the population parameter

B. All of these

C. Usually includes the sample mean

D. Always includes the population parameter

E. Has the population parameter as the middle

Question #3

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

B. Less than .05

C. Variation Ratio

D. More than 10 cases

E. More than 1,000 cases

F. More than 29 cases

Question #4

On which hypothesis do statistical tests focus?

A. Null

B. Alternative

C. Alternate

D. Research

E. Other

Question #5

We can reject the null if…

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

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

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

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

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