MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
of 20 ► According to the National Association of Realtors, it took an average of three weeks to sell a home in 2017. Data for the sale of 40 randomly selected homes sold in Greene County, Ohio, in 2017 showed a sample mean of 3.6 weeks with a sample standard deviation of 2 weeks. Conduct a hypothesis test to determine whether the number of weeks until a house sold in Greene County differed from the national average in 2017. Round your answer to four decimal places. p-value = Use a = 0.05 for the level of significance, and state your conclusion. I. Reject Ho. There is a statistically significant difference between the national average time to sell a home and the-mean time to sell a home in Greene County. II. Reject Ho. There is not a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. III. Do not reject Ho. There is a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. IV. Do not reject Ho. There is not a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. Choose the correct option. - Select your answer - 0= Icon Key Ouastion 18 of 20 ? Aa li 2 A tv NOV
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Transcribed Image Text:of 20 ► According to the National Association of Realtors, it took an average of three weeks to sell a home in 2017. Data for the sale of 40 randomly selected homes sold in Greene County, Ohio, in 2017 showed a sample mean of 3.6 weeks with a sample standard deviation of 2 weeks. Conduct a hypothesis test to determine whether the number of weeks until a house sold in Greene County differed from the national average in 2017. Round your answer to four decimal places. p-value = Use a = 0.05 for the level of significance, and state your conclusion. I. Reject Ho. There is a statistically significant difference between the national average time to sell a home and the-mean time to sell a home in Greene County. II. Reject Ho. There is not a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. III. Do not reject Ho. There is a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. IV. Do not reject Ho. There is not a statistically significant difference between the national average time to sell a home and the mean time to sell a home in Greene County. Choose the correct option. - Select your answer - 0= Icon Key Ouastion 18 of 20 ? Aa li 2 A tv NOV
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