Model Model Model Model Current New Current New Current New Current New 264 277 270 272 263 274 281 283 261 269 287 259 264 266 274 250 267 263 289 264 284 262 273 253 272 266 280 280 263 271 263 260 258 262 272 274 260 260 275 270 283 251 275 281 283 281 267 263 258 262 265 276 255 250 279 261 266 289 260 269 272 263 274 255 259 286 278 268 266 278 276 263 270 264 275 262 268 264 262 279 1. Formulate and present the rationale for a hypothesis test that Par could use to compare the driving distances of the current and new golf balls. 2. Analyze the data to provide the hypothesis testing conclusion. What is the p-value for your test? What is your recommendation for Par, Inc.? 3. Provide descriptive statistical summaries of the data for each model. 4. What is the 95% confidence interval for the population mean driving distance of each model, and what is the 95% confidence interval for the difference between the means of the two populations? 5. Do you see a need for larger sample sizes and more testing with the golf balls? Discuss.
Model Model Model Model
Current New Current New Current New Current New
264 277 270 272 263 274 281 283
261 269 287 259 264 266 274 250
267 263 289 264 284 262 273 253
272 266 280 280 263 271 263 260
258 262 272 274 260 260 275 270
283 251 275 281 283 281 267 263
258 262 265 276 255 250 279 261
266 289 260 269 272 263 274 255
259 286 278 268 266 278 276 263
270 264 275 262 268 264 262 279
1. Formulate and present the rationale for a hypothesis test that Par could use to compare
the driving distances of the current and new golf balls.
2. Analyze the data to provide the hypothesis testing conclusion. What is the p-value
for your test? What is your recommendation for Par, Inc.?
3. Provide
4. What is the 95% confidence interval for the population mean driving distance of
each model, and what is the 95% confidence interval for the difference between the
means of the two populations?
5. Do you see a need for larger sample sizes and more testing with the golf balls? Discuss.
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