For the experiment described in Exercise 12.8, what null and alternative hypotheses would be appropriate for the one-way ANOVA to examine the data? If the data are as shown here, what conclusion would be reached at the 0.01 level of significance? (Use data file XR12025.)
Answer to relevant QuestionsFor the following data from independent samples, could the null hypothesis that the population means are equal be rejected at the 0.05 level? (Use data file XR12026.) For the following summary table for a one-way ANOVA, fill in the missing items (indicated by asterisks), identify the null and alternative hypotheses, then use the 0.05 level of significance in reaching a conclusion ...Use the pooled-variances t-test of Chapter 11 in comparing the sample means for the data of Exercise 12.28. Is the conclusion consistent with the one reached in that exercise? Explain. In exercise 12.28 Differentiate between the independent and dependent variables in an experiment. Apply the dependent-samples t-test to the data in Exercise 12.49. Is the conclusion consistent with the one reached in that exercise? Explain. In exercise A randomized block design has three different income groups as ...
Post your question