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In the simplest case, the number of degrees of freedom equals your sample size minus the number of parameters you require to estimate. Once more, the precise formula depends on the t-test you want to execute – verify the sections below for details. Due to the fact t-tests are most effective employed to attempt to figure out no matter whether there is a statistically considerable distinction among two independent sample groups, and we have a smaller sample size, this is the technique that the teacher should really use. The p-value is the probability that the null hypothesis is correct, and...