统计计算器

Analyse any data set in seconds — median, spread, z-scores and combinatorics, free and private in your browser.

中位数与众数计算器

Numbers (comma or space separated)

Find the median, mode, sum, count, minimum and maximum of any list of numbers.

Numbers (comma or space separated)

Get both the population and sample standard deviation of a data set, with the mean shown for context.

Numbers (comma or space separated)

Measure how spread out a data set is with population and sample variance.

Value x Mean μ Standard deviation σ

See how many standard deviations a value lies from the mean with z = (x − μ) / σ.

n (total items) r (chosen items)

Count arrangements and selections instantly — nPr for ordered picks and nCr for unordered ones.

Numbers (comma or space separated)

Find the range of a data set — the difference between its largest and smallest values.

Numbers (comma or space separated)

Compare the relative spread of data sets with CV = σ / μ expressed as a percentage.

Numbers (comma or space separated)

Compute the midrange — the midpoint between the minimum and maximum of a data set.