Use the Kruskal-Wallis H test to compare golf ball brands Alpha. Best. Century, and Divot using the data in Table 18.11. Use α = .01 and the Excel add-in (MegaStat) output on the right side of Table 18.11.
TABLE 18.11
Golf Ball Durability Test Results

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Brand Kruskal-Wallis Test Alpha 281 220 274 242 251 Best 270 334 307 290 331 Century 218 244 225 273 249 Divot 364 302 325 337 355277.50 20Total Median n Avg. Rank 13.834 H 6.80 Alpha 3 d.f. 251.00 5 307.00 5 13.40 Best 0031 p-value 244.00 5 337.00 5 4.80 Century 17.00 Divot