Paste a list of numbers to get descriptive statistics and an optional z-score in one pass.
Mean
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Enter a data set to calculate descriptive statistics and understand the shape of the values.
Tap an example to prefill the calculator with sample values.
Small class quiz scores
Six scores with one repeated value
A quick descriptive-statistics pass over a short student data set.
Result: Mean 8.17, median 8, sample SD about 2.93
Operations sample
Eight values with a candidate z-score check
Useful when you want the data set summary and the position of one observed value in the same run.
Result: Mean 22.5 and a z-score a little above 2 for the top value