Answered: Independent random samples of 32 people…

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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Question

Independent random samples of 32 people living on the west side of a city and 30 people living on the east side of a city were taken to determine if the income levels of west side residents are significantly different from the income levels of east side residents. Given the testing statistics below, determine if the data provides sufficient evidence to conclude that the income levels of west side residents are significantly different from the income levels of east side residents, at the 2% significance level.

H0:μw=μe
Ha:μw≠μe
t0=2.364
t0.01=±2.099

Select the correct answer below:

No; the test statistic is not between the critical values.

No; the test statistic is between the critical values.

Yes; the test statistic is not between the critical values.

Yes; the test statistic is between the critical values.

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