Question

If you propose a one-tailed hypothesis, you must examine the group means before proceeding

a. true
b. false

Answer 1

False. When proposing a one-tailed hypothesis, it is not necessary to examine the group means before proceeding.

Step-by-step explanation:

b. False When proposing a one-tailed hypothesis, it is not necessary to examine the group means before proceeding. The decision to use a one-tailed hypothesis test is based on the nature of the research question and the specific hypothesis being tested. The one-tailed test is used when the researcher is specifically interested in determining if one group or condition is significantly greater than the other, rather than just different.