Author Question: The mean and standard deviation for a process for which we have a substantial history are = 120 and ... (Read 70 times)

roselinechinyere27m · **on:** Dec 3, 2019

Question 1

The p-chart tells us whether there has been a
◦ change in the percent defective in a sample.
◦ change in the central tendency of the process output.
◦ change in the number of defects in a sample.
◦ gain or loss in dispersion.
◦ none of the above.

Question 2

The mean and standard deviation for a process for which we have a substantial history are
μ = 120 and σ = 2. For the x-bar chart, a sample size of 16 will be used. What is the mean of the sampling distribution?
◦ 40
◦ 120
◦ 2
◦ 1/8 (0.125)
◦ 7.5

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

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