CLUB18 is a manufacturer of golf paraphernalia. Management believes that CLUB18’s market share can be increase by the design of a different golf ball that is easier to shoot straight and far. Therefore they are examining a new covering that can help them to obtain these results. In particular, test of the dista
- CLUB18 is a manufacturer of golf paraphernalia. Management believes that CLUB18’s market share can be increase by the design of a different golf ball that is easier to shoot straight and far. Therefore they are examining a new covering that can help them to obtain these results.
In particular, test of the distance of shot with a driver were done on the driving range with golf balls which have the current covering and the new covering with the following results:
Model Model Model
Current New Current New Current New
264 277 270 272 263 274
261 269 287 259 264 266
265 264 264 289 284 262
272 266 280 281 263 270
258 262 272 273 260 260
282 257 274 280 283 281
258 262 265 276 255 253
266 289 260 269 262 268
259 286 268 278 266 275
270 264 275 262 268 264
d) What is the 95% confidence interval for the mean driving distance of each model? What is the 95% confidence interval for the difference between the two models?
e) Is there a need for more testing? Discuss.
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