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Referring to Table 1, the appropriate null hypothesis is ________.   Question 1 options:   1)  at least one mean is different.   2)  μ1 = μ2 = μ3 = μ4.   3)  MA = MB = MC = MD.   4)  μ1 ≠ μ2 ≠ μ3 ≠ μ4.

Referring to Table 1, the appropriate null hypothesis is ________.   Question 1 options:   1)  at least one mean is different.   2)  μ1 = μ2 = μ3 = μ4.   3)  MA = MB = MC = MD.   4)  μ1 ≠ μ2 ≠ μ3 ≠ μ4.

MATLAB: An Introduction with Applications
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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Referring to Table 1, the appropriate null hypothesis is ________.

 

Question 1 options:

 

1) 

 at least one mean is different.
 

2) 

 μ1 = μ2 = μ3 = μ4.
 

3) 

 MA = MB = MC = MD.
 

4) 

 μ1 ≠ μ2 ≠ μ3 ≠ μ4.
Table 1 A hospital conducted a study of the waiting time in its emergency room. The hospital has a main campus and three satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting times (measured from check-in to when the patient was called into the clinic area) were collected and stored in ERWaiting. The hospital decides to perform an ANOVA F test to find at the 0.05 level of significance, if there is evidence of a difference in the mean waiting times in the four locations.
Transcribed Image Text:Table 1 A hospital conducted a study of the waiting time in its emergency room. The hospital has a main campus and three satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting times (measured from check-in to when the patient was called into the clinic area) were collected and stored in ERWaiting. The hospital decides to perform an ANOVA F test to find at the 0.05 level of significance, if there is evidence of a difference in the mean waiting times in the four locations.
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