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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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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
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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