Mathematics (9709) Measures of Spread Revision Note
This document explains measures of variation in statistics, focusing on variance, standard deviation, and range. It covers variance for discrete data, coded variance, and grouped variance formulas, along with methods to calculate standard deviation from frequency tables. Worked examples demonstrate applications, including recalculating mean and spread after data changes, and comparing data sets using variance and standard deviation.
باز نشر محتواها در فضای مجازی، ممنوع است.

باز نشر محتواها در فضای مجازی، ممنوع است.