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Author Question: Suppose a plant that produces dye wants to test the process. Four samples are randomly selected ... (Read 180 times)

tth

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on: Jul 24, 2018

  Suppose a plant that produces dye wants to test the process. Four samples are randomly selected from the production process and each analyzed for its color intensity. The data are collected over a ten-day period. Assume the population of color intensity is normally distributed with a mean of 5 and a standard deviation of 1.1. What would be the upper control limit for a chart of this study?
 

  a.6.65
  b.8.3
  c.6.04
  d.8.63

Question 2


  Which chart is used to monitor the central tendency of a process?
 

   
  a.R chart
  b.bar chart
  c.p chart
 

d. chart
 
 



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tdewitt

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Reply #1 on: Jul 24, 2018
Answer to Question 1

correct: a

Answer to Question 2

correct: d


tth

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Reply 2 on: Jul 24, 2018
Gracias!

okolip

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Reply 3 on: Yesterday
Wow, this really help

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