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. Probably includes the population parameter

B. Always includes the population parameter

C. Has the population parameter as the middle

D. Usually includes the sample mean

E. All of these

Question #3

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

A. Less than .05

B. More than 29 cases

C. More than 10 cases

D. Variation Ratio

F. More than 1,000 cases

Question #4

On which hypothesis do statistical tests focus?

A. Other

B. Research

C. Alternative

D. Null

E. Alternate

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 5% (.05)

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

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