Does the process look to be in statistical control

Assignment Help Basic Statistics

Reference no: EM131821814

Question: The following sample information was obtained by taking four doughnuts per hour for twelve hours from Fawcett Bakery's doughnut process and weighing them:

For the data shown above,

a. Find the x and R for each sample.

b. Find the x ¼ and R for the twelve samples.

c. Find the 3-sigma UCL and LCL for the mean and range charts.

d. Does the process look to be in statistical control. Why or why not?

Reference no: EM131821814

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