Which of the following is FALSE?
a. Advantages of the mall intercept approach include the speed and ease with which a
study can be implemented.
b. The advantages of CRT administration of questionnaires have helped telephone
interviews become the most popular data collection technique.
c. The slower speed of data collection and processing with computer-assisted
interviewing is offset by the increased accuracy of the responses.
d. One of the benefits of the computer-aided interview (CAI) is increased accuracy in
the results.
e. E-mail administered questionnaires provide more control than regular mail
questionnaires in getting a reply from the intended respondent.
You wish to test the hypothesis that female college students spend more on wearing
apparel than male college students. Which of the following is INCORRECT?
a. The null and alternate hypotheses are:
Ho : mF < mM
HA : mF > mM
b. If you concluded that female students spend more than male students when in fact
there is no difference between the two groups, you would be committing a Type II error.
c. The probability of concluding that females spend more than male students when in
fact this is the case, is called the power of the test.
d. If in testing the above hypothesis, we insist on reducing the probability of making the