Hi, could anybody please advise on the background calculation used to implement the NORM.INV function in Excel?
I need to hand code it in Java. I have managed to convert some other statistical functions this way but am finding it hard to get info on this one.
I have done some searching but...
I want to generate random grades for 30 hypothetical students in 3 courses, Math, Chem, and English. I can supply a mean and standard deviation and use NORM.INV and RAND() to compute a random grade in each subject for each student.
What I can’t figure out is how to make the grades for each...
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