Question: Weights of Poplar Trees The Chapter Problem uses the weights of poplar trees for Year 1 and Site 1. (See Data Set 7 in Appendix

Weights of Poplar Trees The Chapter Problem uses the weights of poplar trees for Year 1 and Site 1. (See Data Set 7 in Appendix B.) If we use the weights for Year 2 and Site 1, the analysis of variance results from the TI-83 84 Plus calculator are as shown in the accompanying display. Assume that we want to use a 0.05 significance level in testing the null hypothesis that the four treatments result in weights with the same population mean.

a. What is the null hypothesis?

b. What is the alternative hypothesis?

c. Identify the value of the test statistic.

d. Find the critical value for a 0.05 significance level.

e. Identify the P-value.

f. Based on the preceding results, what do you conclude about equality of the population means?

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