For which of the following purposes is a frequency histogram NOT useful:

Select one:

a.Allowing you to see at a glance whether your independent variable had an effect on your dependent variable.

b.Alerting you to the presence of possible outliers

c.Allowing you to check some of the assumptions of t-tests

d.Alerting you to possible floor or ceiling effects

e.Suggesting which measure of central tendency would be best to use