Estimating the mean

Questions (2)

Why is the population shape a concern when estimating a mean?What effect does sample size, n, have on the estimate of the mean?
1. 1 answer
2. asked by Joan
3. 443 views
Scores on a certain test are normally distributed with a variance of 91.A researcher wishes to estimate the mean score achieved
1. 1 answer
2. asked by vina
3. 672 views