Q. Calculate Standard Deviation by Assumed mean method in individual series ? X 5 6 9 4 12 11 Share with your friends Share 0 Richa Gupta answered this Xd5-4166-399(assumed mean)004-52512391124N = 6 2 View Full Answer Harsha answered this X d =X - 9(Assumed value) 5 -4 6 -3 A+ E(SIGMA)d / N 9 0 = 9 + (-7) / 6 = 54 - 7 /6 = 7.83 4 -5 12 3 11 2 1