Managerial Report 1. Use appropriate descriptive statistics (5-number summary, mean, mode, range, and standard deviation) and charts to summarize each of the three variables for the 18 No Gulf View condominiums. Are there any outliers in the data set for any of the three variables? If there are any outliers in any category, please list them and state for which category they are an outlier. Describe which method you used to determine if there were or not. 2. Compare your summary results from parts (1) and (2). Discuss any specific statistical results that would help a real estate agent understand the condominium market. 3. 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. 4. 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. 5. 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? 6. 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 (based on the percent difference for the sale and list price) and number of days required to sell each of these units?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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Managerial Report
1. Use appropriate descriptive statistics (5-number summary,
mean, mode, range, and standard deviation) and charts to
summarize each of the three variables for the 18 No Gulf View
condominiums. Are there any outliers in the data set for any of
the three variables? If there are any outliers in any category,
please list them and state for which category they are an
outlier. Describe which method you used to determine if there
were or not.
2. Compare your summary results from parts (1) and (2).
Discuss any specific statistical results that would help a real
estate agent understand the condominium market.
3. 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.
4. 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.
5. 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?
6. 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 (based
on the percent difference for the sale and list price) and number
of days required to sell each of these units?
Transcribed Image Text:Managerial Report 1. Use appropriate descriptive statistics (5-number summary, mean, mode, range, and standard deviation) and charts to summarize each of the three variables for the 18 No Gulf View condominiums. Are there any outliers in the data set for any of the three variables? If there are any outliers in any category, please list them and state for which category they are an outlier. Describe which method you used to determine if there were or not. 2. Compare your summary results from parts (1) and (2). Discuss any specific statistical results that would help a real estate agent understand the condominium market. 3. 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. 4. 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. 5. 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? 6. 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 (based on the percent difference for the sale and list price) and number of days required to sell each of these units?
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
122
95
239
150
552.5 534.5
552.5 534.5 95
334.9
334.9
505
165
×Ô¶5±2259828846§§A**_¶****888*A*****
0
210
945
314
305
800
975
445
305
330
312
495
493
405
669
400
649
305
410
340
449 72
875
430
400
227
618
600
309
555
315
200
375
425
465
428.5
129
160
206
91
100
97
114
45
150
48
135
53
86
158
Esbærdæk³ × • * * itinatub
119
92
197
56
73
126
88
282
100
56
49
48
88
161
161
149
142
28
29
Gulf Real Estate
Properties
140
85
107
239
279
213
215
279
$12
179.9
149.9
235
199.8
210
226
149.9
160
160
322
187.5
247
179
230
230
267.5
214
259
176.5
144.9
230
192
195
212
146.5
160
292.5
179
227
150
169
58
110
**********
130
48
52
Managerial Report
1. Use appropriate descriptive statistics (5-number summary,
mean, mode, range, and standard deviation) and charts to
summarize each of the three variables for the 18 No Gulf View
condominiums Are there any outliers in the data set for any of
Transcribed Image Text: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 85 186.5 122 95 239 150 552.5 534.5 552.5 534.5 95 334.9 334.9 505 165 ×Ô¶5±2259828846§§A**_¶****888*A***** 0 210 945 314 305 800 975 445 305 330 312 495 493 405 669 400 649 305 410 340 449 72 875 430 400 227 618 600 309 555 315 200 375 425 465 428.5 129 160 206 91 100 97 114 45 150 48 135 53 86 158 Esbærdæk³ × • * * itinatub 119 92 197 56 73 126 88 282 100 56 49 48 88 161 161 149 142 28 29 Gulf Real Estate Properties 140 85 107 239 279 213 215 279 $12 179.9 149.9 235 199.8 210 226 149.9 160 160 322 187.5 247 179 230 230 267.5 214 259 176.5 144.9 230 192 195 212 146.5 160 292.5 179 227 150 169 58 110 ********** 130 48 52 Managerial Report 1. Use appropriate descriptive statistics (5-number summary, mean, mode, range, and standard deviation) and charts to summarize each of the three variables for the 18 No Gulf View condominiums Are there any outliers in the data set for any of
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