Suppose the USGA wants to compare the mean distances reached of four different brands of golf balls

Question:

Suppose the USGA wants to compare the mean distances reached of four different brands of golf balls struck with a driver. A completely randomized design is employed, with Iron Byron, the USGA’s robotic golfer, using a driver to hit a random sample of 10 balls of each brand in a random sequence. The distance is recorded for each hit, and the results are shown in Table 3 , organized by brand.

a. Set up the test to compare the mean distances for the four brands. Use a = .10.

b. Use statistical software to obtain the test statistic and p -value. Give the appropriate conclusion.

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