Answered: A hospital wants to determine if the…

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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A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time? The table below shows the number of days to recovery for several randomly selected pneumonia patients that had various types of treatment.

A Few Hours in the Hospital	Overnight Hospital Stay	Sent Home With Medicine
10	8	27
15	12	21
12	17	24
13	10	28
11	12	20
11	12	22
10	18	14
16		12
16

Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.05α=0.05.

H0: μ1=μ2=μ3H0: μ1=μ2=μ3
Ha:Ha: At least two of the means differ from each other.

For this study, we should use
The test-statistic for this data = (Please show your answer to 4 decimal places.)
The p-value for this sample = (Please show your answer to 4 decimal places.)

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