The comptroller of a company is interested in determining whether the average length of long-distance calls by managers varies according to type of telephone. A randomized block design experiment is set up in which a long-distance call by each of five managers is sampled for four different types of telephones: cellular, computer, regular, and cordless. The treatment is type of telephone and the blocks are the managers. The results of analysis by Excel are shown here. Discuss the results and any implications they might have for thecompany.
Answer to relevant QuestionsComplete the following two-way ANOVA table. Determine the critical table F values and reach conclusions about the hypotheses for effects. Let α =.05.A shoe retailer conducted a study to determine whether there is a difference in the number of pairs of shoes sold per day by stores according to the number of competitors within a 1-mile radius and the location of the store. ...Analyze the following data, gathered from a randomized block design using α = .05. If there is a significant difference in the treatment effects, use Tukey’s HSD test to do multiplecomparisons.Are some office jobs viewed as having more status than others? Suppose a study is conducted in which eight unemployed people are interviewed. The people are asked to rate each of five positions on a scale from 1 to 10 to ...Describe the following factorial design. How many independent and dependent variables are there? How many levels are there for each treatment? If the data were known, could interaction be determined from this design? Compute ...
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