Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 1 Day Ago
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 02 Feb 2018 My Price 3.00

valve manufacturer

A valve manufacturer produces a butterfly valve composed of two semicircular plates on a common spindle that is used to permit flow in one direction only. The semicircular plates are supplied by a vendor with specifications that the plates be 2.37 millimeters thick and have a tensile strength of five pounds per millimeter. A random sample of 20 such plates is taken. Electronic calipers are used to measure the thickness of each plate; the measurements are given here. Assuming that the thicknesses of such plates are normally distributed, use the data to construct a 95% level of confidence for the population mean thickness of these plates. What is the point estimate? How much is the error of the interval?

 

2.4066

2.4579

2.6724

2.1228

2.3238

2.1328

2.0665

2.2738

2.2055

2.5267

2.5937

2.1994

2.5392

2.4359

2.2146

2.1933

2.4575

2.7956

2.3353

2.2699

Answers

Maurice Tutor
(5)
Status NEW Posted 02 Feb 2018 10:02 PM My Price 3.00

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