c - continuity correction, when U > μ: c = -0.5, when U < μ: c = 0.5

Test calculation

The tool uses the critical value tables when n ≤ 25 and a normal approximation for a larger sample size

Statistic Data

Enter sample data directly

Header: You may change groups' name to the real names. Data: When entering data, press Enter after each value. Difference = Right - Left

It is okay to leave empty cells, empty cells or non numeric cells won't be counted

Enter sample data from excel

You may copy data from Excel, Google sheets or any tool that separate data with Tab and Line Feed. Copy the data, one block of consecutive columns includes the header, and paste below. . click to see example:

It is okay to leave empty cells, empty cells or non numeric cells won't be counted