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What is the tolerance of the process that exhibits the limits of normal variation? A process has a mean of 10 and a standard deviation of 2.

What is the tolerance of the process that exhibits the limits of normal variation? A process has a mean of 10 and a standard deviation of 2.

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A. 5 to 15
B. 4 to 16
C. 2 to 8
D. 6 to 14

This question is part of Six Sigma Green Belt Exam
Asked by PracticeExcellence, Last updated: Jan 24, 2020

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3 Answers

l.Steven

L.Steven

Answered Jan 07, 2018

The standard deviation is actually a mathematical representation of how spread out the numbers is. If you need to calculate it, it is the square root of the variance. Now variance is basically the average of the squared differences that are calculated from the mean. Therefore, if we want to calculate the variance, using these two values we simply subtract 6 from 10 and add 6 to ten. This will give us th...Read More
 

John Adney

John Adney

Answered Jul 13, 2017

Can someone please explain how this is calculated?

 

John Smith

John Smith

Answered Nov 26, 2016

4 to 16
 

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