X f x f. Formula for Sample Variance. 2 Remember the decile common formula of continuous or discrete distribution Grouped Data.
Mean of grouped data.
About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators. Otherwise all you really know is the modal class which is sufficient for many purposes. Several solved examples and practice problems have been provided in Chapter 14 of the curriculum. G is the frequency of the median group.