Paired T Test Test Statistic Formula. Where σd is the sum of the differences. We make a practical conclusion to consider exams as equally difficult.
Where σd is the sum of the differences. A paired samples t test always uses the following null hypothesis. Paired t test formula the paired t test is used to compare the means of two related groups of samples.
Where σd is the sum of the differences.
Calculate the difference d between each pair of value. μ 1 μ 2 the two population means are equal the alternative hypothesis can be either two tailed left tailed or right tailed. Because 0 750 2 131 we cannot reject our idea that the mean score difference is zero. The paired t test statistics value can be calculated using the following formula.
