How do I get the sample mean and standard deviation?
73181
Standard deviation of binned observations
128523
Comparison of two means
88404
I need help with STATS homework about normal distribution
118871
Testing whether the mean of a group is different from the mean of the entire sample
58541
What does standard deviation tell us in non-normal distribution
140650
Find the distribution of sum and product of standard normal random variables
117417
Prove that the standard deviation is less than half the range
84134
How to get started on this statistics problem?
152279
How to model sample change?
66901
How to calculate the confidence interval of the mean of means?
89511
Calculating MEAN and STANDARD DEVIATION confussed
39939
Variance of sample median
101055
How to calculate a mean and standard deviation for a lognormal distribution using 2 percentiles
33141
Subsample of a random sample?
136425
Calculate the confidence interval for the mean of a beta distribution
79923
Probability and Sampling distribution
103357
Estimate the population variance from a set of means