Rank tests are a class of statistical procedures that combine great
simplicity with surprising power. This reprint of a classic reference
book offers a thorough description of these tests and the estimating
procedures derived from them, and gives an account of their properties.
Although the field of rank tests has seen little change, important new
methodologies have sprung up that also serve the purpose of freeing
statistics from the unrealistic model assumptions that so frequently
invalidate its applications. All the tests discussed here are now
available in a variety of statistical software packages.