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You have been reviewing the output on a statistical process chart. While all the data in the chart is?

contained within the upper and lower control limits of the chart, a potential issue has been identified: it appears that there were eight consecutive points on the chart that occurred between the mean and +1 sigma. In terms of statistical process control this specifically violates:

a. The rule of7

b. The Taguchi loss function

c. The zone test

d. The ‘t’ test

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Question added by Muhammad Farooq , QA-QC MANAGER , AL Bawani contracting co.
Date Posted: 2016/05/26
Muhammad Farooq
by Muhammad Farooq , QA-QC MANAGER , AL Bawani contracting co.

A – This explicitly defines the rule of 7: seven or more consecutive data points that are above or below the mean and within 1 standard deviation of the mean

Eng Ahmed Elsharkawy
by Eng Ahmed Elsharkawy , Civil Engineering Project Manager , Altwijry office

thanks for invition ,,,,,,,,,, my choice is option A

Deleted user
by Deleted user

A ------ this define the rule of 7

Usman Islam
by Usman Islam , Logistics And Warehouse Manager , Kirtanlal Scaffolding & Formwork

option A is the correct answer..............

Sathish Prabhu.V
by Sathish Prabhu.V , Manager - Operations & Process Improvement , Revolution Valves

Agree with most experts answer, option A is the right answer.

sardar mardookhy
by sardar mardookhy , Head of portfolio management department , MCI

Option A,...

Thanks................

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