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First,find the mean of the set. Then,find the differences between every item and the mean Square them Find the mean of the squared differences The square root of that is the standard deviation
It is the number that youve hat to square to get to that number.
When you multiply a number by itself, you square the number. The square of 3 is 9.
find the smallest number by which 9408 must be multiplied to get a perfect square/ also find the square of the number
to find the square root of a number you need to find the number that multiplied by its self is that number example: the square root on 9 is 3 it is 3 because 3 x 3 - 9