Author Question: One of the most common sources of random cause variation is the people who are working in the ... (Read 75 times)

yoooooman · **on:** Jul 24, 2018

One of the most common sources of random cause variation is the people who are working in the process.
Indicate whether the statement is true or false

Question 2

A random sample of size 25 taken from a normally distributed population resulted in a sample standard deviation of a 0.93054 . The lower and upper limits of a 99 confidence interval for the population variance would be:
a. 9.886 and 45.559
b. 3.144 and 6.750
c. 0.678 and 1.449
d. 0.456 and 2.102
e. 1.493 and 6.430