Question: Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) LOADING... for this problem. Thirty-five samples of size 7 each were taken
Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma)
LOADING...
for this problem.
Thirty-five samples of size
7
each were taken from a fertilizer-bag-filling machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean =
60.75
lb.; Average range
R
=
1.78
lb.
a) For the given sample size,
the
control limits for 3-sigma
x
chart are:
Upper Control Limit
(UCLx)
=
55
lb. (round your response to three decimal places).
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