Statistical Tests of Significance

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Paired t test

Formula used and other details
Average difference between pairs (x̄)
Get from data
Average of differences between paired observatins (After - Before)
Standard Deviation of differences(s) Standard Deviation of differences between paired observations in your study
Sample Size in the group  (N) One tailed or two tailed hypothesis
Expected average difference (μ) Expected difference between the paired values, according to the Null Hypothesis. Most of the times it is 0.
Significance level % (Alpha / type I error %)  %

Commonly used values are 5%, 1% and 10%. If your significance level is 0.05, then enter 5
One sided or two sided One tailed or two tailed hypothesis
Results