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Name: A researcher investigated the number of days patients spend at a hospi
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Description: A researcher investigated the number of days patients spend at a hospital. Patients were randomly selected from four regions and the number of days each patient spent at a hospital was recorded. At α=0.05, can the researcher reject the claim that 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 researcher investigated the number of days patients spend at a hospital. Patients were randomly selected from four regions and the number of days each patient spent at a hospital was recorded. At α=0.05, can the researcher reject the claim that the mean number of days patients spend in the hospital is the same for all four regions?

A. Identify the degrees of freedom for the numerator and for the denominator, determine the critical value.

B. Calculate the Test Statistic

Hospital Time Counts
North East South West
8
4
2
5
6
9
7
3
7
4
4
4
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