Author Question: Random variation in a process can be eliminated. Indicate whether the statement is true or ... (Read 93 times)

Pineapplelove6 · **on:** Jul 24, 2018

Random variation in a process can be eliminated.
Indicate whether the statement is true or false

Question 2

A random sample of 20 observations is selected from a normally distributed population. The sample variance is 12 . In the 95 confidence interval for the population variance, the upper limit will be:
a. 6.940
b. 7.564
c. 22.536
d. 25.599
e. 27.392