Answered: A team of researchers look at 2…

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

43. A team of researchers look at 2 neighboring towns to see if the incomes in those towns are significantly different from one another. They randomly sample 50 residents of town A and find an average income of $65,382 with a standard deviation of $12,352. They randomly sample 60 residents of town B and find an average income of $73,692 with a standard deviation of $5,561. Suppose the test is performed at the .05 level of significance and the resulting P-value is .12. What should our conclusion be?

Group of answer choices

Fail to reject the null hypothesis, there is insufficient evidence to show that these towns have the same income.

Reject the null hypothesis, there is sufficient evidence to show that these towns have different incomes

Fail to reject the null hypothesis, there is insufficient evidence to show that these towns have different incomes.

Reject the null hypothesis, there is sufficient evidence to show that these towns have the same income

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