Refer to Exhibit 7-3. Which test is most appropriate for these ...

[Medesa]

Refer to Exhibit 7-3. Which test is most appropriate for these data and hypothesis?
 
  a. Chi square
  c. Independent t-test
  b. Correlated t-test
  d. Pearson's r

Question 2

A researcher wants a 90 percent chance of rejecting the null hypothesis at the one-tailed .05 level with an effect size of .15. The sample size needed is about
 
  a. 140.
  b. 160.
  c. 180.
  d. 200.
  e. 380

[Jane]

Answer to Question 1

C

Answer to Question 2

E

[Medesa]

Excellent

[shewald78]

Thanks for the timely response, appreciate it