3. Develop a 95% confidence interval estimate of the populationmean sales price and population mean number of days to sell forGulf View condominiums. Interpret your results.4. Develop a 95% confidence interval estimate of the populationmean sales price and population mean number of days to sell forNo Gulf View condominiums. Interpret your results.5. Assume the branch manager requested estimates of the meanselling price of Gulf View condominiums with a margin oferror of $40,000 and the mean selling price of No Gulf Viewcondominiums with a margin of error of $15,000. Using 95%confidence, how large should the sample sizes be?6. Gulf Real Estate Properties just signed contracts for two newlistings: a Gulf View condominium with a list price of $589,000and a No Gulf View condominium with a list price of$285,000. What is your estimate of the final selling price (basedon the percent difference for the sale and list price) and numberof days required to sell each of these units? Gulf Real Estate Properties, Inc., is a real estate firm located insouthwest Florida. The company, which advertises itself as"expert in the real estate market," monitors condominium salesby collecting data on location, list price, sale price, and numberof days it takes to sell each unit.Each condominium is classified as Gulf View if it is locateddirectly on the Gulf of Mexico or No Gulf View if it is located onthe bay or a golf course, near but not on the Gulf. Sample datafrom the Multiple Listing Service in Naples, Florida, providedrecent sales data for 40 Gulf View condominiums and 18 NoGulf View condominiums. Prices are in thousands of dollars.The data are shown in the following table.Gulf View Condominiums No Gulf View CondominiumsList Price Sale price Days to Sell List Price Sale Price Days to Sell49547513021721718237935071148135.533852951985122552.5 534.5 95150552.5 534.595334.9 334.9550505169.9 165210945314305800210*10975314315885975469חרר3293653325204256756734096493194253590975445305330312495405669400649305410340469 449 72895 875 129439 430 160435 400 206235 227 91Gulf Real EstateProperties638 618 100629 600 97329 309 114595 555 45339 315 150215 200 48395 375 135449 425 53499 465 86439 428.5 158Aœbær ±¤ ¤ § × • • * § fixafeb186.5239239279279215215279213179.9149.9235199.8210226149,9160322179230230267.5214259233176.5144.9230192195212146.5160292.5187.5 17924722715016958************11052Managerial Report1. Use appropriate descriptive statistics (5-number summary,mean, mode, range, and standard deviation) and charts to

Gulf View CondominiumsNo Gulf View CondominiumsList priceSale priceDays to sellList priceSale…

Answered: Gulf Real Estate Properties Gulf Real…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The success of an airline depends heavily on its ability to provide a pleasant customer experience. One dimension of customer service on which airines compete is on-time arrival. The file LateFlights contains a sample of data from delayed fights showing the number of minutes each delayed fight was late for two dfferent airlines, Deita and Southwest. Click on the datafile logo to reference the data. DATA file Delta Southwest Delta Southwest Delta Southwest Delta Southwest Deita 36 30 34 38 119 120 63 37 35 67 114 53 102 55 8 87 68 100 43 50 86 74 17 66 87 35 40 34 64 41 53 30 86 33 57 61 7. 46 S2 26 70 62 75 54 80 a. Formulate the hypotheses that can be used to test for a difference between the population mean minutes late for delayed flights by these two airlines. 41= population mean minutes late for delayed Deita flights Ha = population mean minutes late for delayed Southwest flights Ho: H- 2Select your answer H.: -4a- Select your answer b. What is the sample mean number of minutes…
The Census Bureau Web site gives several choices for "average income" in its historical income data. In 2006, the median income of American households was $48,201. The mean household income was $66,570. The median income of families was $58,407, and the mean family income was $77,315. The Census Bureau says, “Households consist of all people who occupy a housing unit. The term ‘family’ refers to a group of two or more people related by birth, marriage, or adoption who reside together.” Identify the reason for mean incomes for households being higher than median incomes for households.
The price drivers pay for gasoline often varies a great deal across regions throughout the United States. The following data show the price per gallon for regular gasoline for a random sample of gasoline service stations for three major brands of gasoline (Shell, BP, and Marathon) located in eleven metropolitan areas across the upper Midwest region (OhioGasPrices.com website, March 18, 2012). Click on the datafile logo to reference the data. DATA file Shell BP Metropolitan Area Marathon Akron, Ohio Cincinnati, Ohio Cleveland, Ohio Columbus, Ohio Ft. Wayne, Indiana Indianapolis, Indiana Lansing, Michigan Lexington, Kentucky Louisville, Kentucky Muncie, Indiana Toledo, Ohio 3.77 3.72 3.87 3.76 3.78 3.87 3.89 3.79 3.83 3.83 3.85 3.77 3.83 3.85 3.93 3.84 3.84 4.04 3.87 3.87 3.99 3.79 3.78 3.81 3.69 3.78 3.84 3.84 3.83 3.79 3.79 3.86 3.86 Use a = .05 to test for any significant difference in the mean price of gasoline for the three brands. Round SS to 6 decimals, MS to 6 decimals, F to 2…
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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
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