I'm not sure how Moodle figures the standard deviation (population or sample). It could be that you are doing the sample (n-1) where Moodle is doing the Population N, or vice versa....just a thought off the top of my head.
Steve
I'm not sure how Moodle figures the standard deviation (population or sample). It could be that you are doing the sample (n-1) where Moodle is doing the Population N, or vice versa....just a thought off the top of my head.
Steve