T Test Cos'è. By john clark on january 31, 2018 in inferential statistics, sampling and experimental design. Oltre a ciò, il tilt test può essere utilizzato anche nella diagnosi di forme sintomatiche di ipotensione ortostatica e nella diagnosi di alcune forme di.
Is designed to test whether the mean of a distribution differs significantly from some preset value.
It is used to compare the means of two groups of samples when the variances are different. By john clark on january 31, 2018 in inferential statistics, sampling and experimental design. The null hypothesis is that the two means are equal, and the alternative is that they are not. If that probability is very small, then you can be confident that the difference is meaningful (or statistically significant).
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