Author Question: If a process is in control, we expect all the data values to fall within three standard deviations ... (Read 89 times)

nenivikky · **on:** Jul 24, 2018

If a process is in control, we expect all the data values to fall within three standard deviations of the mean.
Indicate whether the statement is true or false

Question 2

The shape of the chi-squared distribution depends on:
a. the population variance
b. the number of its degrees of freedom
c. the population mean
d. all of these
e. none of these