Question: A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to

A quality analyst wants to construct a control
A quality analyst wants to construct a control
A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results: #1 15 15 Machine Obs. 17 #2 #3 23 24 Use the factor table to answer the following questions. 16 25 18 23 Size of Factor for UCL and LCL for Chart Factor for LCL for Factor for UCL for ALI Questiul 24 (3.3 PUIMS) saved What is the mean of sample means? (Answer in a whole number.) Question 25 (3.3 points) What is the average of sample ranges? (Answer with two decimal point.) Question 26 (3.3 points) Compute the lower control limit for the x-bar chart (round your answer to t decimal points.)

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