![]() ![]() If the data points fall roughly on a straight line, you can assume the data are normal. For most situations this is likely easiest and more intuitive done using a probablity plot (Stat > Basic Statistics > Normality test), but you can also use the Anderson-Darling normality test. It is critial that you assess the normality of the data. ![]() ![]() Dieter brought up a very important point.
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