In practice, what is the first step in interpreting the t-test ...

[cookcarl]

In practice, what is the first step in interpreting the t-test when comparing two means?
 a. compute the t-test value
  b. find the p-value associated with the t and the corresponding degrees of freedom
  c. examine the difference in means to find the direction of any difference
  d. examine if there is a difference at the 50 percent confidence interval before examining the 95 percent confidence interval

Question 2

Which of the following is not a performance measurement for telemarketing?
 a. cost per call c. return on investment
  b. revenue d. effectiveness

[sarah_brady415]

Answer to Question 1

C

Answer to Question 2

A
A performance measure for telemarketing is revenue per call, a form of effectiveness measurement.