Statistics for Business and Economics Case problem – Par, Inc.
Par, Inc., is a serious producer of golf gear. Administration believes that Parâs market share might be elevated with the introduction of a cut-resistant, longer-lasting golfball. Due to this fact, the analysis group at Par has been investigating a brand new golf ball coating designed to withstand cuts and supply a extra sturdy ball. The checks with the coating have been promising. One of many researchers voiced concern in regards to the impact of the brand new coating on driving distances. Par would really like the brand new cut-resistant ball to supply driving distances akin to these of the current-model golf ball. To match the driving distances for the 2 balls,40 balls of each the brand new and present fashions have been subjected to distance checks. The testing was carried out with a mechanical hitting machine in order that any distinction between the imply distances for the 2 fashions might be attributed to a distinction within the two fashions. The outcomes of the checks, are in attachment.1. Formulate and current the rationale for a speculation check that Par might use to match the driving distances of the present and new golf balls.2. Analyze the information to supply the speculation testing conclusion. What's the p-valuefor your check? What's your suggestion for Par, Inc.?three. Present descriptive statistical summaries of the information for every mannequin.four. What's the 95% confidence interval for the inhabitants imply of every mannequin, andwhat is the 95% confidence interval for the distinction between the technique of the twopopulations?5. Do you see a necessity for bigger pattern sizes and extra testing with the golf balls? Focus on.Present New264 277261 269267 263272 266258 262283 251258 262266 289259 286270 264263 274264 266284 262263 271260 260283 281255 250272 263266 278268 264270 272287 259289 264280 280272 274275 281265 276260 269278 268275 262281 283274 250273 253263 260275 270267 263279 261274 255276 263262 279