How to use:
- Copy two columns from Excel - one with X values and one with F (frequency) values
- Paste each column into the corresponding text area above
- Click the Calculate button to see the results
- The table will show X, F, F*X, log(X), F*log(X), 1/X, and F/X values along with their sums
- The arithmetic, geometric, and harmonic means will be calculated and displayed