Chapter 13: Inferential Statistics and Distributions 238
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:
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