User Guide

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Nonparametric
Te s t s
Missing Values. Controls the treatment of missing values.
 Exclude cases test-by-te st. When several tests are specified, each test is evaluated
separately f
or missing values.
 Exclude cas
es listwise.
Cases with missing values foranyvariableareexcluded
from all analyses.
NPAR TESTS Command Additional Features (Two Related Samples)
The command language also allows you to:
 Testavariablewitheachvariableonalist.
See the SPSS Command Syntax Reference for complete syntax information.
Tests for Several Independent Samples
The Tests for Several Independent Samples procedure compares two or more groups
of cases on one variable.
Example. D
o three brands of 100-watt lightbulbs differ in the average time the bulbs
will burn? From the Kruskal-Wallis one-way analysis of variance, you might learn
that the three brands do differ in average lifetime.
Statistic
s.
Mean, standard deviation, minimum, maximum, number of nonmissing
cases, and quartiles. Tests: Kruskal-Wallis H,median.
Data. Use numeric variables that can be ordered.
Assumptio
ns.
Use independent, random samples. The Kruskal-Wallis H test requires
that the samples tested be similar in shape.