Paired T Test Test Statistic. Test the differences by subtracting one measurement from the other measurement. Examples of frequently used uses.
Because 0 750 2 131 we cannot reject our idea that the mean score difference is zero. We compare the value of our statistic 0 750 to the t value. A measurement taken at two different times e g pre test and post test with an intervention administered between the two time points.
Common applications of the paired sample t test include case control studies or repeated measures designs.
μ1 μ2 the two population means are equal h1. μ1 μ2 the two population means are equal h1. In a paired sample t test each subject or entity is measured twice resulting in pairs of observations. μ1 μ2 the two population means are not equal.
