Standard Deviation Calculation

The number that is squared is the mean.

The number that is squared is the x value of the point.

The number that is squared is the difference of the x value of the point and the mean.

The number that is squared is the y value of the point.

Add up the square of the mean for each point and divide by the number of points.

Add of the squares of the distance of each point to the mean and divide by the number of points.

Add up the square of the x value of each point and divide by the number of points.

Add up the distance of each point to the mean and divide by the number of points.

-1

1

0

0.5

3

4

5

6