In order to complete this assignment, you will need to use statistical analysis software. Refer to the third study activity in Unit 1

to ensure you have all the necessary software to do so. Note: For Excel 2011 for Mac, you must have the Microsoft Office for Mac 2011

update 14.1 installed, issued August 2011. Solver is included as part of the update. After confirming that the update is installed,

refer to steps 1–4 in this Microsoft Office forum to activate the Solver.

Practical Application Scenario 1

You are the manager of the Gander Mountain store in Frogtown, Illinois. Recently, a customer mentioned they believed your prices for

ammunition were lower than the prices of Gander Mountain’s primary competitor in hunting equipment, Cabela’s. You would like to include

that statement in a forthcoming print advertisement, so you need statistical evidence to support this assertion.

Identify the null and alternative hypotheses needed to test the contention. Then identify the most appropriate sample selection

technique to gather data for testing the hypotheses. What statistical test should you use to accept or reject this hypothesis using the

data you will collect?

Practical Application Scenario 2

Your love of golf has brought you back to the range as the new product manager for UniDun’s Straight Flight (SF) line of golf balls.

The company’s research and development group has been experimenting with dimple patterns that promote straight flight and feel they

have achieved some degree of success; however, you are worried about the effect that the new pattern might have on driving distance.

The Golf Ball Distances document contains test results that compare the driving distances for the two different kinds of balls: 40

balls of the new SF type and 40 of the current UniDun type. Your job is to determine if the current UniDun balls can be driven further

than the new SF balls. To resolve this question, you need appropriate answers to the following four questions. Remember to use your

Business Statistics in Practice textbook, the supplementary instruction session archives, and the optional course resources to help you

answer each of the following questions:

Identify the appropriate null and alternative hypotheses for this test. Express each in writing and in the form of an equation.

Identify the appropriate statistical test to accept or reject the null hypothesis.

Calculate the statistical parameters, the mean, variance, and standard deviation. Then calculate the statistical test and the p-

value.

In a three- to five-paragraph synopsis, explain your results to the vice president of marketing, including the terms of the

scenario variables.

Hint: You will need to use Excel’s Analysis ToolPak, or the Mac equivalent, StatPlus:mac, to calculate the statistical parameters, the

mean, variance, and standard deviation, and to calculate the statistical test that you have chosen and its p-value. SAS Enterprise

Guide users do not need to first calculate the statistical parameters.

Practical Application Scenario 3

As the food court manager at the Mall of Elbonia, you must determine how much time customers spend at the mall during different times

of the week (for example: midweek day; midweek evening; weekend day; weekend evening). Last week, the mall survey staff randomly

surveyed mall visitors as they left the mall. One key question asked how much time the customer had spent in the mall on that day.

The findings from this study are provided in the document titled Mall Time Results, provided in Resources. Columns A through D show the

time spent by the customers interviewed, according to the part of the week and time of day when the interviews occurred. Is there any

statistically significant difference (at alpha = .05) in the average amount of time people spend in the mall based on the part of the

week and time of day? To determine the answer to this question, you need appropriate answers to all of the following four questions.

Remember to use your Business Statistics in Practice textbook, the supplementary instruction session archives, and the optional course

resources to help you answer each question.

Identify the null and alternative hypotheses you should form for this test. Express each in writing and also in equation form.

Identify the appropriate statistical test to accept or reject the null hypothesis.

Calculate the appropriate statistical test values to accept or reject your null and alternative hypotheses.

What should you tell the Mall of Elbonia’s food court stores managers in terms of the mall’s high-traffic times and customer

tendencies?

Assignment Submission

Compile all of your practical application scenario answers into one Word file (submitted as a .docx file). Copy the Excel or SAS

output, including graphics, tables, and so on, into that document. Highlight your findings for these practical applications scenarios

in yellow. Submit the file in the assignments area for grading and instructor feedback. Prior to submission, review the eleven

questions within the three scenarios as well as the scoring guide to ensure you meet all evaluation criteria.

Golf Ball Distance Test

Distance Measured in Yards

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

Mall Time Interview Results

Midweek, Day Midweek, Evening Weekend, Day Weekend, Evening

66 64 64 185

78 71 121 207

66 174 29 203

32 53 147 84

35 52 162 125

34 96 108 184

88 135 61 129

149 142 77 94

86 149 88 182

145 59 131 65

146 82 127 110

38 118 141 139

95 132 176 108

80 81 161 117

106 111 3 125

42 68 82 65

95 22 128 47

77 50 51 88

98 125 81 84

71 105 54 165

122 92 161 86

125 115 158 164

85 148 45 199

97 66 134 83

33 74 38 36

Mall Time Interview Results

Midweek, Day Midweek, Evening Weekend, Day Weekend, Evening

66 64 64 185

78 71 121 207

66 174 29 203

32 53 147 84

35 52 162 125

34 96 108 184

88 135 61 129

149 142 77 94

86 149 88 182

145 59 131 65

146 82 127 110

38 118 141 139

95 132 176 108

80 81 161 117

106 111 3 125

42 68 82 65

95 22 128 47

77 50 51 88

98 125 81 84

71 105 54 165

122 92 161 86

125 115 158 164

85 148 45 199

97 66 134 83

33 74 38 36

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