Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than 2 standard deviations. That is, unusual values are either less than u - 20 or greater than u+ 20. In one US city, the incidence of high blood pressure amongst those aged between 30 and 45 is 22%. A researcher would like to investigate whether the incidence is higher amongst information technology employces, who work in a high- stress environment. Among 200 information technology employees aged between 30 and 45, it was found that 59 had high blood pressure. If we assume that this the work environment does not affect blood pressure, would this be an unusual result? No Yes
Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than 2 standard deviations. That is, unusual values are either less than u - 20 or greater than u+ 20. In one US city, the incidence of high blood pressure amongst those aged between 30 and 45 is 22%. A researcher would like to investigate whether the incidence is higher amongst information technology employces, who work in a high- stress environment. Among 200 information technology employees aged between 30 and 45, it was found that 59 had high blood pressure. If we assume that this the work environment does not affect blood pressure, would this be an unusual result? No Yes
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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Transcribed Image Text:Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than
2 standard deviations. That is, unusual values are either less than u - 20 or greater than ja+ 20.
In one US city, the incidence of high blood pressure amongst those aged between 30 and 45 is 22%. A researcher would like to
investigate whether the incidence is higher amongst information technology employces, who work in a high- stress environment.
Among 200 information technology employees aged between 30 and 45, it was found that 59 had high blood pressure. If we assume that
this the work environment does not affect blood pressure, would this be an unusual result?
No
Yes
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