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Problem

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13 Nov 2021

Given information

Given that, the Screw Right Company claims their 3/4 inch screws are within ±0.23 of the claimed mean diameter of 0.750 inches with a standard deviation of 0.115 inches. We have to find the mean diameter and standard deviation for the sample.

 

Step-by-step explanation

Step 1.

Mean

Standard deviation

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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