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Par, Inc., is a major manufacturer of golf equipment. Management believes that Par's market share could be increased with the introduction of a cut-resistant, longer-lasting

Par, Inc., is a major manufacturer of golf equipment. Management believes that Par's market share could be increased with the introduction of a cut-resistant, longer-lasting golf ball. Therefore, the research group at Par has been investigating a new golf ball coating designed to resist cuts and provide a more durable ball. The tests with the coating have been promising.

One of the researchers voiced concern about the effect of the new coating on driving distances. Par would like the new cut-resistant ball to offer driving distances comparable to those of the current-model golf ball. To compare the driving distances for the two balls, 40 balls of both the new and current models were subjected to distance tests. The testing was performed with a mechanical hitting machine so that any difference between the mean distances for the two models could be attributed to a difference in the two models. The results of the tests, with distances measured to the nearest yard, follow. These data are available on the website that accompanies the text.

Letu1=population mean driving distance for the current golf ball

u2=population mean driving distance for the new golf ball,

In your answers, (USING EXCEL)

1. Formulate hypotheses and conduct the hypothesis testing at 5% level of significance,

2. Provide the result of the testing using Excel with Golf.xlsx

Current New
264 277
261 269
267 263
272 266
258 262
283 251
258 262
266 289
259 286
270 264
263 274
264 266
284 262
263 271
260 260
283 281
255 250
272 263
266 278
268 264
270 272
287 259
289 264
280 280
272 274
275 281
265 276
260 269
278 268
275 262
281 283
274 250
273 253
263 260
275 270
267 263
279 261
274 255
276 263
262 279

3. Draw the conclusion of the test and discuss how the firm uses this analysis

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