Test if a distribution is normal.
Select a cell in the dataset.
On the Analyse-it ribbon tab, in the
Statistical Analyses group, click Distribution, and then click the hypothesis
The analysis task pane opens.
In the Y drop-down list, select the variable.
In the Hypotheses drop-down list, select the null and alternative hypothesis.
To compare the p-value against a predefined significance level, in the Significance level edit box, type the maximum probability of rejecting the null hypothesis when in fact it is true (typically 5% or 1%).