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

Question #1

A confidence interval (is)…

A. Always 95%

B. Always 5% in the tails

C. Always starts with a mean

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

E. Always starts with a proportion

Question #2

A 95% confidence interval…

A. Probably includes the population parameter

B. All of these

C. Has the population parameter as the middle

D. Always includes the population parameter

E. Usually includes the sample mean

Question #3

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

A. More than 29 cases

C. Less than .05

D. More than 10 cases

E. Variation Ratio

F. More than 1,000 cases

Question #4

On which hypothesis do statistical tests focus?

A. Null

B. Alternate

C. Alternative

D. Research

E. Other

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 5% (.05)

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