Author Question: The usual purpose of an R-chart is to signal whether there has been a (Read 76 times)

vHAUNG6011 · **on:** Dec 3, 2019

Question 1

If

= 23 ounces, σ = 0.4 ounces, and n = 16, the ±3σ control limits will be
◦ 23 ounces.
◦ 22.70 to 23.30 ounces.
◦ 23.3 to 25.7 ounces.
◦ 21.8 to 24.2 ounces.
◦ 22.25 to 23.75 ounces.

Question 2

The usual purpose of an R-chart is to signal whether there has been a
◦ change in the percent defective in a sample.
◦ gain or loss in dispersion.
◦ change in sample size.
◦ change in the central tendency of the process output.
◦ change in the number of defects in a sample.

canderson530 · **Reply #1 on:** Dec 3, 2019

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