Answered: An employee at a local health center is…

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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An employee at a local health center is concerned that there is a significant difference in income between surgeons and other physicians employed at the facility. In order to test this hypothesis, the employee collects a SRS of surgeons, and other physicians employed by the health center,and compares their annual incomes. Assume the following table represents the summary statistics for the investigation.Carry out the appropriate statistical procedure to test the employee’s hypothesis at the alpha=0.05 level. Do not assume equal variances. Carefully write out your null and alternative hypotheses, and interpret your results.

Job title	Average annual income	Standard deviation	Sample size
Surgeon	$235,287.00	6,549.00	32
All other physicians	$164,875.00	8,024.00	41

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