The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large community, realtors randomly sampled 33 bids from potential buyers to estimate the
The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large community, realtors randomly sampled 33 bids from potential buyers to estimate the
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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Question
The housing market has recovered slowly from the economic crisis of 2008. Recently, in one large community, realtors randomly sampled 33 bids from potential buyers to estimate the average loss in home value. The sample showed the average loss was $9246 with a standard deviation of $3026. In 2011, the average home in this region of the country lost $8503 in value. Was the community studied by the realtors unusual? Use a t-test to decide if the average loss observed was significantly different from the regional average.
After calculating, what would the conclusion be?
B.
C.
D.
A.Fail to reject the null hypothesis using 0.05 as the P-value cutoff level. Conclude that the loss of home values in this community does not appear to be unusual.
Fail to reject the null hypothesis using 0.05 as the P-value cutoff level. Conclude that the loss of home values in this community does appear to be unusual.
Reject the null hypothesis using 0.05 as the P-value cutoff level. Conclude that the loss of home values in this community does not appear to be unusual.
Reject the null hypothesis using 0.05 as the P-value cutoff level. Conclude that the loss of home values in this community does appear to be unusual.
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