Operation Manual

Chapter 13: Inferential Statistics and Distributions 243
ANOVA(
ANOVA( (one-way analysis of variance; item H) computes a one-way analysis of variance for comparing
the means of two to 20 populations. The ANOVA procedure for comparing these means involves
analysis of the variation in the sample data. The null hypothesis H
0
: m
1
=m
2
=...=m
k
is tested against the
alternative H
a
: not all m
1
...m
k
are equal.
ANOVA(list1,list2[,...,list20])
In the example:
L1={7 4 6 6 5}
L2={6 5 5 8 7}
L3={4 7 6 7 6}
Note: SS is sum of squares and MS is mean square.
Input:
Calculated
results: