>>12822581>What exactly is the p-value and how is it calculated?in the pairwise student t-test the p-value represents the probability that two groups of data are not significantly different.
normally if the p-value is higher than 0.05 it means that your data means nothing and you should not use it. Many people prefer 0.01 (99% confidence)
you can calculate it in Excel, under the data section or do manually the formula.
also a bilateral student test is often better than an unilateral one because the unilateral can show more significance when there is not in reality ang give you lower p-values.
