Question

coefficient of variance of distribution is 4 and mean is 80. find standard deviation​

Answer 1

Step-by-step explanation:

The standard deviation formula may look confusing, but it will make sense after we break it down. ...

Step 1: Find the mean.

Step 2: For each data point, find the square of its distance to the mean.

Step 3: Sum the values from Step 2.

Step 4: Divide by the number of data points.

Step 5: Take the square root.