JavaMax is a neighborhood take-out coffee shop that offers three sizes. Yesterday's sales are shown. Use MegaStat or another software package to perform a Friedman test to see whether the median sales of coffee sizes differ at α = .05, using time of day as the blocking Coffee factor.
Answer to relevant QuestionsProfits of 20 consumer food companies are shown. (a) Convert the data to ranks. Check the column sums. (b) Calculate Spearman's rank correlation coefficient. Show your calculations. (c) At α = .01 can you reject the ...The price of a particular stock over a period of 60 days rises (1) or declines (2) in the following pattern. Research question: At α = .05, is the pattern random? An experimental bumper was designed to reduce damage in low-speed collisions. This bumper was installed on an experimental group of vans in a large feet, but not on a control group. At the end of a trial period, accident ...In a call center, the average waiting time for an answer (in seconds) is shown below by time of day. Research question: At α = .01, does the waiting time differ by day of the week? Note: Wait Only the first 3 and last 3 ...Final exam scores for a sample of 20 students in a managerial accounting class are shown. (a) At α = .05, is there a difference in the population median scores on the two exams? Make an Excel worksheet for your Wilcoxon ...
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