how to compute whether a subsample is statistically different from that of the subsample how to compute whether a subsum is statistically significant what is the null hypothesis for null how to calculate whether a subsample's mean is statistically different from the mean of the sample? what variable to exclude when calculating null hypothesis what would tell me if the variable is statistically significant? how do you tell if the average of a random subsample is statistically different from the mean of a sample? how do i know if the subsample is statistically different from the mean of the sample? how to find if a subsample is a statistically significant variable how to compute whether the mean is statistically different from the mean of a non random subsample? what is the null hypothesis of the data if the coefficient is a null hypothesis what is the value of cdot how to compute the null hypothesis using a dummy how to test the null hypothesis in logistic regression how to figure if a subsample is statistically different from the mean of the sample what is the null hypothesis in the obs variable what does obs stand for in math how to determine if the mean of a non-random subsample is statistically different from the mean of the sample? what variable determines whether a subsample is statistically significant? if a subsample has the same data as the mean of the sample it cannot be determined by the dummy variable of the regression