Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Sydney Saporito / Investopedia A frequency distribution ...

Tallying is a way of recording data that counts in groups of five. The data is tallied as it is counted, with a mark for each piece of data, and then the frequency is recorded at the end. Frequency ...

This paper offers class mark estimators for the intervals of a grouped frequency distribution, derived by parabolic interpolation between any given interval and its adjacent intervals. The objective ...