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a sample mean of 2,4 iation of 760.8 square fee 8 had a sămple mean of eviation of 730.2 square for the square footages Using a = 0.05, perform age home constructed in nd construct a 95% confie ce in the square footages two years. Interpret your tv N MacBook Pro

a sample mean of 2,4 iation of 760.8 square fee 8 had a sămple mean of eviation of 730.2 square for the square footages Using a = 0.05, perform age home constructed in nd construct a 95% confie ce in the square footages two years. Interpret your tv N MacBook Pro

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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v A A Aa v A v O v A v Styles Styles Pane Dictate Edito During the 2007–2008 decline in the housing market, it appeared that the average size of a newly constructed house fell. To investigate this trend, the square footages of a random sample of houses built in 2008 were compared to houses built in 2018. A random sample of 45 homes built in 2008 had a sample mean of 2,462.3 square feet and a sample standard deviation of 760.8 square feet. A random sample of 40 homes built in 2018 had a sámple mean of 2,257.0 square feet and a sample standard deviation of 730.2 square feet. Assume that the population variances for the square footages of houses built in these two years are equal. Using a = 0.05, perform a hypothesis test to determine if the average home constructed in 2010 was larger than a home built in 2018 and construct a 95% confidence interval to estimate 10. the average difference in the square footages of new homes constructed in these two years. Interpret your result. EE Focus English (United States) E Focus English (United States) 66 JUL 1 tv 30 МacВook Pro
Transcribed Image Text:v A A Aa v A v O v A v Styles Styles Pane Dictate Edito During the 2007–2008 decline in the housing market, it appeared that the average size of a newly constructed house fell. To investigate this trend, the square footages of a random sample of houses built in 2008 were compared to houses built in 2018. A random sample of 45 homes built in 2008 had a sample mean of 2,462.3 square feet and a sample standard deviation of 760.8 square feet. A random sample of 40 homes built in 2018 had a sámple mean of 2,257.0 square feet and a sample standard deviation of 730.2 square feet. Assume that the population variances for the square footages of houses built in these two years are equal. Using a = 0.05, perform a hypothesis test to determine if the average home constructed in 2010 was larger than a home built in 2018 and construct a 95% confidence interval to estimate 10. the average difference in the square footages of new homes constructed in these two years. Interpret your result. EE Focus English (United States) E Focus English (United States) 66 JUL 1 tv 30 МacВook Pro
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