Question find the z∗ values based on a standard normal distribution for each of the following. 5.42 (a) An 80% confidence interval for a proportion (b) An 84% confidence interval for a slope (c) A 92% confidence interval for a standard deviation I got A I think, 1.28?
Question
find the z∗ values based on a standard normal distribution for each of the
following.
5.42 (a) An 80% confidence interval for a proportion
(b) An 84% confidence interval for a slope
(c) A 92% confidence interval for a standard deviation
I got A I think, 1.28?