Mathematics · essential
Arithmetic mean of ungrouped data for JEE
Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
Formula
\(\bar{x}=\frac{1}{n}\sum_{i=1}^{n}x_i\)
Variables: \(x_i\): observations, \(n\): number of observations.
Conditions: Applies to numerical data.
Finding average of raw data; further computation of variance, standard deviation, mean deviation.