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.
Answer to relevant QuestionsCompare the randomized block ANOVA with two treatments to the dependent-samples t-test of Chapter 11. In a two-way ANOVA experiment, factor A is operating on 3 levels, factor B is operating on 2 levels, and there are 2 replications per cell. If MSAyMSE = 5.35, MSByMSE = 5.72, and MSAByMSE = 6.75, and using the 0.05 level of ...A study has been undertaken to examine the effect of background music and assembly method on the productivity of workers on a production line for electronic circuit boards. Each of 8 workers has been randomly assigned to one ...Given the situation described in Exercise 12.85, suppose the groups are contrived so that each group contains one driver who is under 21 years of age, one driver who is between 22 and 60, and one driver who is over 60. If ...Researchers have obtained and tested samples of four different brands of nylon rope that are advertised as having a breaking strength of 100 pounds. Given the breaking strengths (in pounds) shown here, use the 0.025 level in ...
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