D Use this information to answer the next three questions: A study compared five different methods for teaching descriptive statistics. The five methods were traditional lecture and discussion, programmed textbook instruction, programmed text with lectures, computer instruction, and computer instruction with lectures. 45 students were randomly assigned, 9 to each method. After completing the course, students took a 1-hour exam. D Question 5 1 pts What are the hypotheses for evaluating if the average test scores are different for the different teaching methods? O Ho: H1 - H2 " Hy " Ha "Hs Ha: 1 * Hz * H3 * H4 * Hy O Ho: H1 - H2 - H3 - H4 "Hs Ha: At least one pair of means is the same O Ho: H1 - H2 - H3 - H4 - Hs Ha: At least one of the means is different O Ho: H1 " H2 " Hy " H4 * Hs Ha: At least one pair of means is the same D Question 6 1 pts What are the degrees of freedom associated with the F-test for evaluating these hypotheses? Enter whole numbers with no decimals please. Degrees of freedom due to treatments (groups): Degrees of freedom due to error: D Question 7 1 pts Suppose the p-value for this test is 0.0168. At the 0.05 level of significance, what is the conclusion? Since p 2 a we accept that all of the mean scores are the same O Since pxa all of the mean scores are different from one another O Since pea we reject the null hypothesis. The evidence supports the alternative, that at least one of the mean scores is different from the others O Since p 2 a we reject the null hypothesis. The evidence supports the alternative, that all of the mean scores are different O Since p 2 a we do not have enough evidence to reject that all of the mean scores are the same