The table on the right contains data from a Sales Price (thousand dollars) Days to Sell real estate firm for a sample of 30 houses located in southwest Florida facing the Gulf of Mexico. The table shows the sale price and number of days to sell each unit. 1. 475 130 2. 350 71 3. 519 85 4. 534.5 95 5. 334.9 119 Develop a 95% confidence interval estimate for the population mean of sales price and population mean of number of days to sell each unit. Interpret the results in your own 6. 505 92 7. 165 197 8. 210 56 words. 9. 945 73 10 314 126 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 305 88 800 282 975 100 445 56 305 49 330 48 312 88 495 161 405 149 669 142 400 28 649 29 305 140 410 85 340 107 449 72 875 129 430 160 29 30 400 206 227 91

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Sales Price (thousand
The table on the right contains data from a
real estate firm for a sample of 30 houses
located in southwest Florida facing the Gulf
of Mexico. The table shows the sale price and
number of days to sell each unit.
dollars) Days to Sell
1.
475
130
2.
350
71
3.
519
85
4.
534.5
95
5.
334.9
119
Develop a 95% confidence interval estimate
for the population mean of sales price and
population mean of number of days to sell
each unit. Interpret the results in your own
6.
505
92
7.
165
197
8.
210
56
words.
9.
945
73
10
11
12
314
126
305
88
800
282
13
14
975
100
445
56
15
16
305
49
330
48
17
312
88
18
495
161
19
20
405
149
669
142
21
400
28
22
23
649
29
305
140
24
410
85
25
26
340
107
449
72
27
28
29
875
129
430
160
400
206
30
227
91
Transcribed Image Text:Sales Price (thousand The table on the right contains data from a real estate firm for a sample of 30 houses located in southwest Florida facing the Gulf of Mexico. The table shows the sale price and number of days to sell each unit. dollars) Days to Sell 1. 475 130 2. 350 71 3. 519 85 4. 534.5 95 5. 334.9 119 Develop a 95% confidence interval estimate for the population mean of sales price and population mean of number of days to sell each unit. Interpret the results in your own 6. 505 92 7. 165 197 8. 210 56 words. 9. 945 73 10 11 12 314 126 305 88 800 282 13 14 975 100 445 56 15 16 305 49 330 48 17 312 88 18 495 161 19 20 405 149 669 142 21 400 28 22 23 649 29 305 140 24 410 85 25 26 340 107 449 72 27 28 29 875 129 430 160 400 206 30 227 91
Expert Solution
Step 1

Level of significance: In testing of hypothesis, the level of significance is the probability of rejecting a null hypothesis when it is true. In other words, if the value of a test statistic exceeds the critical value, we conclude that the null hypothesis has been rejected.

Confidence interval: Confidence interval is an interval such that the probability of the unknown parameter to be included in the interval is equal to a preassigned probability, termed as the confidence coefficient. In simple language, a 100(1 - α)% confidence interval has the probability to include the unknown parameter with probability (1 - α).

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