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 Мean 154.889 167.833 Variance 354.458 521.912 Observations 18 18 Pooled Variance 438.185 Hypothesized Mean Difference df 34 t Stat p = Ex: 1.234 1.885 P(T<=t) one-tail t Critical one-tail 0.036 1.691 P(T<=t) two-tail t Critical two-tail 0.072 2.032 -3 -2 -1 1 2 3 Confidence Level 95% t = Ex: 1.234 п 3D Ex: 9 Degrees of freedom: df = Point estimate for the southern part of the county: x1 = Ex: 1.234 Point estimate for the northern part of the county: x2

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 Мean 154.889 167.833 Variance 354.458 521.912 Observations 18 18 Pooled Variance 438.185 Hypothesized Mean Difference df 34 t Stat p = Ex: 1.234 1.885 P(T<=t) one-tail t Critical one-tail 0.036 1.691 P(T<=t) two-tail t Critical two-tail 0.072 2.032 -3 -2 -1 1 2 3 Confidence Level 95% t = Ex: 1.234 п 3D Ex: 9 Degrees of freedom: df = Point estimate for the southern part of the county: x1 = Ex: 1.234 Point estimate for the northern part of the county: x2

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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