The following Minitab output summarizes the results of a randomized block ANOVA in which the blocks consisted of 4 different income categories, the treatments were 3 different kinds of appeals for contributions to a national charity, and the variable measured (dollars) was the amount contributed to the charity.
State the null and alternative hypotheses in terms of the treatment effects, then use the 0.025 level of significance in reaching a conclusion regarding the null hypothesis.
