A researcher wishes to determine whether the proportion of Canadian women who smoke differs from the proportion of Canadian men who smoke.He wants to test the hypothesis ${\mathrm{H}}_0:{\mathrm{p}}_1={\mathrm{p}}_2$ where ${\mathrm{p}}_1$ represents the proportion of Canadian women who smoke and ${\mathrm{P}}_2$ represents the proportion of Canadian men who smoke.He randomly selects 100 married couples.Among the 100 women in the sample are 21 smokers.Among the 100 men are 29 smokers.Are the assumptions for a two-sample z-test for two population proportions met? If not,which assumption is violated and why?

When analysis of data reveals a difference between levels of a factor,what is this called?

A) interaction effect
B) factor effect
C) level effect
D) main effect

A researcher collects data from a group of 21 people at Time 1 and Time 2. Assuming α = .05 (two-tailed) , the critical value is ______.

A) 2.096
B) 2.086
C) 2.845
D) 2.528

Which of the following is an example of nonprobabilistic sampling?

A) Simple random sampling
B) Stratified simple random sampling
C) Cluster sampling
D) Judgment sampling

Calculate the nominal and effective rate of interest for the following ordinary annuity. Determine the nominal interest rate whose compounding interval equals the payment interval.

Calculate the periodic payment for the following ordinary annuity.