what is standard deviation

If the Sum of Squared deviation scores (SS) = 100 and there are 25 people in the sample then the Standard Deviation (SD) is:
in Calculus Answers by Level 1 User (120 points)

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1 Answer

standard "deviation"=100/25=4

based on standard (weerd) krat werds

the "deviation"=differ from the averaej av eech number. (from "arithmetik meen" in krat speek)

then yu sume the square av the "deviation" tu get wot krats kall the "varians"
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