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Statistics calculator
Turn your numbers into a picture.
Opening your calculator…
Which definition?
Quartiles use linear interpolation at position (n − 1)p in the sorted list: Q1 uses p = 0.25, median p = 0.5 and Q3 p = 0.75. Other school methods can give different quartiles. Population SD divides squared deviations by n; sample SD divides by n − 1 and is undefined for one value.
Data & bins
Enter up to 200 numbers within ±1,000,000,000,000, separated by spaces or commas; use a dot for decimals. Histogram bins have equal width and exclude their upper edge, except the final bin includes it. Displays round to 12 significant digits. Bin boundaries in the table retain the calculator’s numeric precision. The preset data is an example, not a learner record. Nothing is saved or uploaded.
Try it on paper
For 3, 7, 7, 8, 10, the sum is 35, the mean is 7, the median is 7 and the range is 10 − 3 = 7.