A real estate agent believes that the mean home price in the northern part of a county is higher than the mean price in the southern part of the county and would like to test the claim. A simple random sample of housing prices is taken from each region. The results are shown below. Southern Northern 154.B9 167.833 354.4S8 521.912 Mean Variance Observations 18 18 Pooled Variance 438.185 Hypothesleed Mean Difference 34 tStat 1.885 0.036 p= Ex 1.234 P(Tet) one tail tCrtical one-tal PITet) two-tail tCritical two-tal Confidence Level 1.691 0.072 2.032 95% t%3D = Ex: 1.234 n = Ex 9 Degrees of freedom df Point estimate for the southern part of the county: = Ex 1.234 Point estimate for the northern part of the county: r =
A real estate agent believes that the mean home price in the northern part of a county is higher than the mean price in the southern part of the county and would like to test the claim. A simple random sample of housing prices is taken from each region. The results are shown below. Southern Northern 154.B9 167.833 354.4S8 521.912 Mean Variance Observations 18 18 Pooled Variance 438.185 Hypothesleed Mean Difference 34 tStat 1.885 0.036 p= Ex 1.234 P(Tet) one tail tCrtical one-tal PITet) two-tail tCritical two-tal Confidence Level 1.691 0.072 2.032 95% t%3D = Ex: 1.234 n = Ex 9 Degrees of freedom df Point estimate for the southern part of the county: = Ex 1.234 Point estimate for the northern part of the county: r =
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 78E
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