Variable Charts Flashcards

1
Q

Ucl for R

A

D4 x R bar

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2
Q

LCL for range

A

D3 x r bar

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3
Q

UCLx

A

Double x bar + (A2 x R bar)

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4
Q

LCLx

A

Double x bar - ( A2 x R bar)

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5
Q

R bar and double x bar equations

A

R bar = sum of range / number of samples

Double x bar = sum of avg measurements / number of samples

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