Unpaired T Test Formula. Formula of unpaired two samples t test. Mean of high protein 120 n 12 mean of low protein 101 n 7 assuming equal variances.
Paired t test a paired t test is used to investigate the change in the mean of a population before and after some experimental intervention based on a paired sample i e when each subject has been measured twice. Mean of high protein 120 n 12 mean of low protein 101 n 7 assuming equal variances. Formula of unpaired two samples t test.
Once t test statistic value is determined you have to read in t test table the critical value of student s t distribution corresponding to the significance level alpha of your choice 5.
It can be calculated as follow. Combined standard error 10 045276. Mean of high protein 120 n 12 mean of low protein 101 n 7 assuming equal variances. Then select the unpaired t test from the parametric methods section of the analysis menu.
