Question

In order to determine whether the median distance for the X-Special golf ball exceeds the median distance for the best-selling golf ball, six golfers were selected and asked to hit each ball with their driver. The distance was recorded. The following data were observed.


Golfer X-Special Best Seller
1 240 233
2 267 270
3 255 240
4 234 230
5 250 260
6 285 270

Based on these data, and testing at an alpha = 0.025 level, the critical value for the Wilcoxon Matched Pairs Signed Rank test is 2.

Answer

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