Gulf Real Estate Properties Gulf Real Estate Properties, Inc., is a real estate firm located in southwest Florida. The company, which advertises itself as “expert in the real estate market,” monitors condominium sales by collecting data on location, list price, sale price, and number of days it takes to sell each unit. Each condominium is classified as Gulf View if it is located directly on the Gulf of Mexico or No Gulf View if it is located on the bay or a golf course, near but not on the Gulf. Sample data from the Multiple Listing Service in Naples, Florida, provided recent sales data for 40 Gulf View condominiums and 18 No Gulf View condominiums. Prices are in thousands of dollars. The data are shown in the following table.

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Gulf Real Estate Properties

Gulf Real Estate Properties, Inc., is a real estate firm located in southwest Florida. The company, which advertises itself as “expert in the real estate market,” monitors condominium sales by collecting data on location, list price, sale price, and number of days it takes to sell each unit.

Each condominium is classified as Gulf View if it is located directly on the Gulf of Mexico or No Gulf View if it is located on the bay or a golf course, near but not on the Gulf. Sample data from the Multiple Listing Service in Naples, Florida, provided recent sales data for 40 Gulf View condominiums and 18 No Gulf View condominiums. Prices are in thousands of dollars. The data are shown in the following table.

 

                                                                                           

 

Gulf View Condominiums

No Gulf View Condominiums

List Price

Sale price

Days to Sell

List Price

Sale Price

Days to Sell

495

475

130

217

217

182

379

350

71

148

135.5

338

529

519

85

186.5

179

122

552.5

534.5

95

239

230

150

552.5

534.5

95

239

230

150

334.9

334.9

119

279

267.5

169

550

505

92

215

214

58

169.9

165

197

279

259

110

210

210

56

179.9

176.5

130

975

945

73

149.9

144.9

149

314

314

126

235

230

114

315

305

88

199.8

192

120

885

800

282

210

195

61

975

975

100

226

212

146

469

445

56

149.9

146.5

137

329

305

49

160

160

281

365

330

48

322

292.5

63

332

312

88

187.5

179

48

520

495

161

247

227

52

425

405

149

 

 

 

675

669

142

 

 

 

409

400

28

 

 

 

649

649

29

 

 

 

319

305

140

 

 

 

425

410

85

 

 

 

359

340

107

 

 

 

 

469

449

72

895

875

129

439

430

160

435

400

206

235

227

91

638

618

100

629

600

97

329

309

114

595

555

45

339

315

150

215

200

48

395

375

135

449

425

53

499

465

86

439

428.5

158

 

 

Managerial Report

 

  1. Compare your summary results from parts (1) and (2). Discuss any specific statistical results that would help a real estate agent understand the condominium
  2. Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for Gulf View Interpret your results.
  3. Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for No Gulf View Interpret your results.
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