SPSS nonparametric tests are mostly used when **assumptions aren't met** for other tests such as ANOVA or t tests.Strictly, most “nonparametric tests” in SPSS are distribution free tests. Oddly, these two concepts are entirely different but often used interchangeably. Second, nonparametric tests are suitable for ordinal variables too. In rare cases they may have more statistical power than standard tests.

Not sure **which (nonparametric) test to use**? You'll quickly find the answer in Simple Overview Statistical Comparison Tests.

## THIS TUTORIAL HAS 7 COMMENTS:

## By Andy on July 8th, 2020

Please give some public or environmental health related case study for binomial test.

## By Ruben Geert van den Berg on July 8th, 2020

What about testing if the percentage of COVID infected people is equal to

x? We're sure you can fill in the details from there, right?