Use the following to answer questions 7-9: Three brands of…
Use the following to answer questions 7-9: Three brands of automobile waxes were compared by evaluating the length of time in days that the wax was effective on a random sample of cars: (data: Waxes) Wax #1 Wax #2 Wax #3 46 41 57 49 55 49 48 52 52 50 53 57 51 43 58 46 46 51 49 49 57 50 55 54 45 50 53 49 56 52 51 44 50 48 49 49 45 55 50 50 47 48 51 46 46 49 58 48 45 48 47
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