query: Correct formula for the std deviation of the difference between two means in case of unequal variance?
positive_passages.docid: 150004
positive_passages.text: Estimated standard deviation of difference between means in case of known and unknown variance?
negative_passages.docid: 89910
negative_passages.text: Is it possible to find the combined standard deviation?
negative_passages.docid: 30283
negative_passages.text: What is the demonstration of the variance of the difference of two dependent variables?
negative_passages.docid: 108462
negative_passages.text: Distribution of a difference of two Uniform random variables?
negative_passages.docid: 98697
negative_passages.text: What's the difference between variance and standard deviation?
negative_passages.docid: 147616
negative_passages.text: How to calculate mean and standard deviation in R given confidence interval and a normal or gamma distribution?
negative_passages.docid: 15530
negative_passages.text: Variance of sample mean.
negative_passages.docid: 45011
negative_passages.text: Reporting Results of Mann-Whitney U Test - Means vs Medians
negative_passages.docid: 135907
negative_passages.text: Area within a given number of standard deviations from given mean
negative_passages.docid: 89511
negative_passages.text: Calculating MEAN and STANDARD DEVIATION confussed
negative_passages.docid: 116209
negative_passages.text: Variance is the squared difference - why not to the 3, or 4 instead?
negative_passages.docid: 58541
negative_passages.text: What does standard deviation tell us in non-normal distribution
negative_passages.docid: 5198
negative_passages.text: Is it possible to combine the F-test and t-test to test for differences in both the variance and the mean?
negative_passages.docid: 84018
negative_passages.text: Why is there not a simpler way to calculate the standard deviation?
negative_passages.docid: 19247
negative_passages.text: How should one interpret the comparison of means from different sample sizes?
negative_passages.docid: 40243
negative_passages.text: Pdf of the difference of two exponentially distributed random variables
negative_passages.docid: 119714
negative_passages.text: Difference estimate & confidence intervals for $\chi^2$ test between 2 proportions