Tag: measures of dispersion

Covers measures of central tendency (mode), dispersion (range), and positional measures (deciles) for class-X statistics

Calculate the arithmetic mean of grouped frequency distributions using the step deviation method (also known as shift of origin and scale method). Suitable for Class IX students learning statistical methods.

Practice problems on finding arithmetic mean from grouped frequency distributions using the step deviation method

step deviation method

measures of dispersion

Questions covering mean, median, mode, quartiles, deciles, percentiles, mean deviation, and other statistical measures for Class X mathematics

variance and standard deviation

statistics and probability