Use the analysis of variance with 005 to determine

Reference no: EM13629373

Assume you are employed by a consumer-products rating service and your assignment is to assess car batteries. For this part of your investigation, you want to determine whether there is a difference in life of each battery. The following are the results given in months of useful battery life:

Battery Manufacturer

A B C

56 46 44

57 52 53

55 51 50

59 50 51

9781285

a. Use the analysis of variance with _ _ 0.05 to determine whether there is a difference among these three brands of batteries.

b. Suppose you are asked to make a recommendation regarding the batteries based on useful life. Use the Tukey HSD test with _ _ 0.05 to help you with your decision.

Reference no: EM13629373

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