The results found measuring the water contained in a glass are: 111,42 g x 2; 111,67 g; 111,21 g; 111,02 g; 111,29 g.
I have to calculate the standard deviation and a confidence interval of 95%
I calculated the standard deviation: ∓ 0.22, but I don't know how to find the confidence interval at a 95% confidence level... Could you please write the passages needed to find the confidence interval?
I have to calculate the standard deviation and a confidence interval of 95%
I calculated the standard deviation: ∓ 0.22, but I don't know how to find the confidence interval at a 95% confidence level... Could you please write the passages needed to find the confidence interval?