Gulf Real Estates

Case Problem1: Bock investment Services The goal of Bock Investment Services (BJS) is to be the leading money market advisory service in South Carolina. To provide better service for their present clients and to attract new clients, BIS developed a weekly newsletter. BIS is considering adding a new feature to the newsletter that will report the results of a weekly telephone survey of fund managers. To investigate the feasibility of offering this service, and to determine what type of information to include in the newsletter, BIS selected a simple random sample of 45 money market funds.
A portion of the data obtained is shown in Table below, which reports fund assets and yields for the past 7 and 30 days. Before calling the money market fund managers to obtain additional data, BIS decided to do some preliminary analysis of the data already collected. Managerial Report 1. Use appropriate descriptive statistics to summarize the data on assets and yields for the money market funds. 2. Develop a 95% confidence interval estimate of the mean assets, mean 7-day yield, and mean 30-day yield for the population of money market funds.
Provide a managerial interpretation of each interval estimate. 3. Discuss the implication of your findings in terms of how BIS could use this type of information in preparing their weekly newsletter. Data for Bock Investment Services Money Market Fund Assets ($ millions) 7-Day Yield (%) 30-Day Yield (%) Amcore103. 94. 104. 08 Alger156. 74. 794. 73 Arch MM/Trust496. 54. 174. 13 BT Instit Treas197. 84. 374. 32 Benchmark Div2755. 44. 544. 47 Bradford707. 63. 883. 83 Capital Cash1. 74. 294. 22 Cash Mgt. Trust2707. 84. 144. 04 Composite122. 84. 033. 91 Cowen Standby694. 4. 254. 19 Cortland217. 33. 573. 51 Declaration38. 42. 672. 61 Dreyfus4832. 84. 013. 89 Elfun81. 74. 514. 41 FFB Cash506. 24. 174. 11 Federated Master738. 74. 414. 34 Fidelity Cash13272. 84. 514. 42 Flex-fund172. 84. 604. 48 Fortis105. 63. 873. 85 Franklin Money996. 83. 973. 92 Freedom Money1079. 04. 074. 01 Galaxy Money801. 44. 113. 96 Government Cash409. 43. 833. 82 Hanover Cash794. 34. 324. 23 Heritage Cash1008. 34. 084. 00 Infinity/Alpha53. 63. 993. 91 John Hancock226. 43. 933. 87 Landmark Funds481. 34. 284. 26 Liquid Cash388. 94. 614. 64 Market Watch10. 4. 134. 05 Merrill Lynch Money27005. 64. 244. 18 NCC Funds113. 44. 224. 20 Nationwide517. 34. 224. 14 Overland291. 54. 264. 17 Pierpont Money1991. 74. 504. 40 Portico Money161. 64. 284. 20 Prudential Money Mart6835. 14. 204. 16 Reserve Primary1408. 83. 913. 86 Schwab Money10531. 04. 164. 07 Smith Barnery Cash2947. 64. 164. 12 Stagecoach1502. 24. 184. 13 Strong Money470. 24. 374. 29 Transmerica Cash175. 54. 204. 19 United Cash323. 73. 963. 89 Woodward Money1330. 04. 244. 21 Case Problem 2: 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 Sales Data for Gulf Real Estate Properties: Give View Condominiums No Gulf View Condominiums List Price Sale Price Days to Sell List Price Sale Price Days to Sell 495. 0475. 0130 217. 0 217. 0 182 379. 0350. 071148. 0135. 5338 529. 0519. 085186. 5179. 0122 552. 5534. 595239. 0230. 0150 334. 9334. 9119279. 0267. 5169 550. 505. 092215. 0214. 058 169. 9165. 0197279. 0259. 0110 210. 0210. 056179. 9176. 5130 975. 0945. 073149. 9144. 9149 314. 0314. 0126235. 0230. 0114 315. 0305. 088199. 8192. 0120 885. 0800. 0282210. 0195. 061 975. 0975. 0100226. 0212. 0146 469. 0445. 056149. 9146. 5137 329. 0305. 049160. 0160. 0281 365. 0330. 048322. 0292. 563 332. 0312. 088187. 5179. 048 520. 0495. 0161247. 0227. 052 425. 0405. 0149 675. 0669. 0142 409. 0400. 028 649. 0649. 029 319. 0305. 0140 425. 0410. 085 359. 0340. 0107 469. 0449. 072 895. 0875. 0129 439. 0430. 0160 435. 0400. 0206 235. 0 227. 91 638. 0 618. 0100 629. 0 600. 097 329. 0 309. 0114 595. 0555. 045 339. 0315. 0150 215. 0200. 048 395. 0375. 0135 449. 0 425. 053 499. 0 465. 086 439. 0 428. 5158 Managerial Report: 1. Use appropriate descriptive statistics to summarize each of the three variables for the 40 Gulf View condominiums. 2. Use appropriate descriptive statistics to summarize each of three variables for the 18 No Gulf View condominiums. 3. Compare your summary results. Discuss any specific statistical results that would help a real estate agent understand the condominium market. 4.

Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for Gulf View condominiums. Interpret your results. 5. Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for No Gulf View condominiums Interpret your results. 6. Assume the branch manager requested estimates of the mean selling price of Gulf View condominiums with a margin of error of $40,000 and the mean selling price of No Gulf View condominiums with a margin of error of $15,000. Using 95% confidence, how large should the sample sizes be? . Gulf Real Estate Properties just signed contracts for two new listings: a Gulf View condominium with a list price of $589,000 and a No Gulf View condominium with a list price of $285,000. What is your estimate of the final selling price and number of days required to sell each of these units? a: sample mean +/- 1. 96*(st dev/sqrt(n)) 454222. 5 +/- 1. 96*192517. 75/sqrt(40) 394560. 6312 513884. 3688 The 95% CI is ($394,560. 63, $513,884. 37). Using Excel: 59660. 7736 $394,561. 73 $513,883. 27 The 95% CI is ($394,561. 73, $513,883… Case Problem 3 Metropolitan Research, Inc. Metropolitan Research, Inc. a consumer research organization, conducts surveys designed to evaluate a wide variety of products and services available to consumers. In one particular study, Metropolitan looked at consumer satisfaction with the performance of automobiles produced by a major Detroit manufacturer. A questionnaire sent to owners of one of the manufacturer’s full-sized cars revealed several complaints about early transmission problems. To learn more about the transmission failures, Metropolitan used a sample of actual transmission repairs provided by a transmission repair firm in the Detroit area.
The following data show the actual number of miles driven for 50 vehicles at the time of transmission failure. 85,092 32,609 59,465 77,437 32,534 64,090 32,464 59,902 39,323 89,641 94,219 116,803 92,857 63,436 65,605 85,861 64,342 61,978 67,998 59,817 101,769 95,774 121,352 69,568 74,276 66,998 40,001 72,069 25,066 77,098 69,922 35,662 74,425 67,202 118,444 53,500 79,294 64,544 86,813 116,269 37,831 89,341 73,341 85,288 138,114 53,402 85,586 82,256 77,539 88,798
Managerial Report: 1. Use appropriate descriptive statistics to summarize the transmission failure data. 2. Develop a 95% confidence interval for the mean number of miles driven until transmission failure for the population of automobiles with transmission failure. Provide a managerial interpretation of the interval estimate. 3. Discuss the implication of your statistical finding n terms of the belief that some owners of the automobiles experienced early transmission failures. 4. How many repair records should be sampled if the research firm wants the population mean number of miles driven until transmission failure to be estimated with a margin of error of 5000 miles? Use 95 % confidence 5. What other information would you like to gather to evaluate the transmission failure problem more fully?

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