A credit crunch gripped the nation in 2007-2008 leading to record numbers of mortgage foreclosures and declines in home sales prices. The table above provides the median home sale prices for four regions of the country in the first quarter (Jan-March) of 2007 and the first quarter of 2008. Is this evidence of a change in home prices from 2007 to 2008? Northeast Midwest South West Jan-Mar 2007 $370,300 $212,800 $222,900 $341,500 Jan-Mar 2008 $326,600 $201,900 $204,800 $298,900 Which type of test should you use? O z-test for proportions 2-sample test (proportions) O 2-sample test (means) O z-test for means matched pairs test t-test for means
A credit crunch gripped the nation in 2007-2008 leading to record numbers of mortgage foreclosures and declines in home sales prices. The table above provides the median home sale prices for four regions of the country in the first quarter (Jan-March) of 2007 and the first quarter of 2008. Is this evidence of a change in home prices from 2007 to 2008? Northeast Midwest South West Jan-Mar 2007 $370,300 $212,800 $222,900 $341,500 Jan-Mar 2008 $326,600 $201,900 $204,800 $298,900 Which type of test should you use? O z-test for proportions 2-sample test (proportions) O 2-sample test (means) O z-test for means matched pairs test t-test for means
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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Transcribed Image Text:A credit crunch gripped the nation in 2007-2008 leading to record numbers of mortgage foreclosures and
declines in home sales prices. The table above provides the median home sale prices for four regions of the
country in the first quarter (Jan-March) of 2007 and the first quarter of 2008. Is this evidence of a change in
home prices from 2007 to 2008?
Northeast Midwest
South
West
Jan-Mar 2007 $370,300 $212,800 $222,900 $341,500
Jan-Mar 2008 $326,600 $201,900 $204,800 $298,900
Which type of test should you use?
z-test for proportions
2-sample test (proportions)
O 2-sample test (means)
O z-test for means
O matched pairs test
t-test for means
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