Use the following data to test to determine whether there are any differences between treatment levels. Let α =.05.
Answer to relevant QuestionsUse the Friedman test and α = .05 to test the following data to determine whether there is a significant difference between treatmentlevels.The following data are the ranks for values of the two variables, x and y. Compute a Spearman’s rank correlation to determine the degree of relation between the twovariables.Use the Mann-Whitney U test and α = .01 to determine whether there is a significant difference between the populations represented by the two samples given here.Sample 1 .. Sample 2573 ...... 547532 ...... 566544 ...In some firefighting organizations, you must serve as a firefighter for some period of time before you can become part of the emergency medical service (EMS) arm of the organization. Does that mean EMS workers are older, on ...Many fast-food restaurants have soft drink dispensers with preset amounts, so that when the operator merely pushes a button for the desired drink the cup is automatically filled. This method apparently saves time and seems ...
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