The mode is a statistical term for the value that occurs most frequently in a set of numbers. Learn about the difference between the mean, median, and mode.

Learn about calculating averages from grouped data with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Stefan H. Steiner, Grouped Data Exponentially Weighted Moving Average Control Charts, Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 47, No. 2 (1998), pp. 203-216 ...