6.73 Hypotheses.
In each of the following situations, state an appropriate null hypothesis and alternative hypothesis . Be sure to identify the parameters that you use to state the hypotheses. (We have not yet learned how to test these hypotheses.)
6.73
(a) = percent of males, = percent of females. . (b) = mean score for Group A, = mean score for group B. . (c) = correlation between income and the percent of disposable income that is saved. .