How to find variance of different score group
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I have four different score groups to be analysed and I am required to find the variance of each group. I need to know what function to be used in order for me to get the variance for each group.
Thank you in advance.
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Image Analyst
le 24 Fév 2014
Did you try to look up variance in the help? Did you stumble across the var() function?
var1 = var(group1);
var2 = var(group2);
var3 = var(group3);
var4 = var(group4);
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