which test should i use, if i want to compare the mean of the whole sample with the mean of a fraction of the sample? which test should i use, if i want to compare the mean of the whole sample with the mean of the fraction of the sample? why do we use a comparison test which test should i use, if I want to compare the mean of the whole sample with the mean of the fraction of the sample? which type of test should i use if i want to compare the mean of the whole sample with the mean of the fraction of the sample? which test should i use, if i want to compare the mean of the whole sample with the mean of the fraction of the sample? what test should you use if you want to compare the mean of a whole sample with the mean of a fraction? what test should i take to compare two mean samples? which test should i use if i want to compare the mean of the whole sample with the mean of the fraction of the sample? which test should i use if i want to compare the mean of the whole sample with the mean of a fraction of the sample? comparison of two means what two tests should be used for analysis of mean which test should I use, if I want to compare the mean of the whole sample with the mean of the fraction of the sample? what test should i use? which tests should i use, if i want to compare the mean of the whole sample with the mean of the fraction of the sample? which test should i use, if i want to compare the mean of the whole sample with the mean of the fractions what type of test should i use for a comparison of the mean of a sample with the mean of a fraction which test should i use if i want to compare the mean of the whole sample with the mean of the fraction of the sample? what to compare a whole sample to a fraction which test should i use, if i want to compare the mean of the whole sample with the mean of the fraction of the sample?