What happens to the confidence interval if you increase the confidence level?
1 Answer
Nov 2, 2015
The range of possible values for the parameter under discussion widens.
Explanation:
While studying the properties of a Normal Distribution, we calculate the 1
The 3
sigma limit simply means Pr {mu - 3sigma < x <mu + 3sigma ] which is roughly 0.95.
When we increase the probability, naturally the range widens to include more values.
we talk about6 sigma as defining the quality of the process.