How to calculate standard deviation for grouped data?
Answers
Answered by
3
Find the average of the data set,Take each value in the data set (x) and subtract the mean from it to getSquare each of the differences,Add up all of the results from Step 3 to get the sum of squares,Divide the sum of squares (found in Step 4) by the number of numbers in the data set minus one; that is, (n – 1). Now you haveTake the square root to getwhich is the sample standard deviation,
Answered by
2
thank you for your 13 points
Attachments:
Similar questions