Standard deviation is the square root of the sum of squared differences between each value and the mean, divided by the number of values minus one.
الانحراف المعياري هو الجذر التربيعي لمجموع مربعات الفروق بين كل قيمة والمتوسط، مقسومًا على عدد القيم مطروحًا منه واحد.
| Front | SD 4.2.2(f) |
|---|---|
| Back | root of the sum of (x - mean x)^2 over n-1 where x is value measure, mean x is sum of individual measurements over number in sample, n is total number of values in sample |
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