A sandwich shop owner takes a daily sample of six consecutive sandwich orders at a random...
A sandwich shop owner takes a daily sample of six consecutive sandwich orders at a random time during the lunch rush and records the time it takes to complete each order. Past experience indicates that the process mean should be
μ = 80 seconds,
and the process standard deviation should be
σ = 22 seconds.
Calculate the center line and control limits for an
x
control chart. (Round your answers to two decimal places.)
| CL | = | sec |
| LCL | = | sec |
| UCL | = | sec |
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A sandwich shop owner takes a daily sample of six consecutive
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A sandwich shop owner takes a daily sample of five consecutive sandwich orders at a random time during the lunch rush and records the time it takes to complete cach order. Past experience indicates that the process mean should be μ = 82 seconds, and the process standard deviation should be σ 22 seconds. Calculate the center line and control limits for an x control chart. (Round your answers to two decimal place CL = LCL sec sec
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A sandwich shop owner takes a daily sample of five consecutive sandwich orders at a random time during the lunch rush and records the time it takes to complete cach order. Past experience indicates that the process mean should be μ = 82 seconds, and the process standard deviation should be σ 22 seconds. Calculate the center line and control limits for an x control chart. (Round your answers to two decimal place CL = LCL sec sec
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A pizza restaurant monitors the size (measured by the diameter) of the 10-inch pizzas that it prepares. Pizza crusts are made from doughs that are prepared and prepackaged in boxes of 15 by a supplier. Doughs are thawed and pressed in a pressing machine. The toppings are added, and the pizzas are baked. The wetness of the doughs varies from box to box, and if the dough is too wet or greasy, it is difficult to press, resulting in a...
I need to prove bimultivariate below equation follow
chi-square degree of freedom number2
at the sample meun vector and sample covariance matri omesponding popolation quantities; that is /(X)-μ and E(S)-z 514 Chapher 11Multivariate SP We can show th ndcontrolprocedure is the Hot It is a direct analog of the the Hotelling T 11.3 The Hotelling Control Chart The most familiar multivariate process-monitoringa control chart for monitoring the mean vectoro variate Shewhart i chart. We present two versions grouped data, and...
can u clearly show me how to find a sample size (N) , A2, and
can you also tell me why we are using an X Chart?
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