1. The problem statement, all variables and given/known data For the five data 0, 7, 8, 10, and 10 find the standard deviation. 2. Relevant equations https://forum.allaboutcircuits.com/threads/how-to-find-the-standard-deviation.138607/ I know the formula: Z = (X-Mew)/Sigma Sigma = Standard Deviation Mew = Mean = 7 X= score? Z= number of standard deviation=? 3. The attempt at a solution I have found mean which is 7 but i dont know how to find Z & X. Some body please guide me. Zulfi.