standard deviation
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
1. Boxes of Honey-Nut Oatmeal are produced to contain
sample size of
14.0
ounces, with a standard deviation of
0.10
ounce. For a 64,
the 3-sigma
x
chart control limits are:Upper Control Limit
(UCLx)
=
14.0414.04
ounces (round your response to two decimal places).Lower Control Limit
ounces (round your response to two decimal places).
(LCLx)
=?ounces (round your response to two decimal places).
2.
The overall average on a process you are attempting to monitor is
55.0
units. The process population standard deviation is
1.84.
Sample size is given to be
16.
a) Determine the 3-sigma
x-chart
control limits.Upper Control Limit
(UCLx)=56.3856.38
units (round your response to two decimal places).Lower Control Limit
(LCLx)=?
units (round your response to two decimal places).3.
Refer to
Table S6.1 - Factors for Computing Control Chart Limits (3 sigma)
for this problem.LOADING...
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
=
1.64
lb.a) For the given sample size,
the
control limits for 3-sigma
x
chart are:Upper Control Limit
(UCLx)
=
61.43761.437
lb. (round your response to three decimal places).Lower Control Limit
lb. (round your response to three decimal places).
(LCLx)
=?lb. (round your response to three decimal places).
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