Chapter 13: Inferential Statistics and Distributions 360
c
2
GOF-Test
GOF-TestGOF-Test
GOF-Test
c
2
GOF-Test (Chi Square Goodness of Fit; item D) performs a test to confirm that sample
data is from a population that conforms to a specified distribution. For example, c
2
GOF
can confirm that the sample data came from a normal distribution.
In the example:
list 1={16,25,22,8,10}
list 2={16.2,21.6,16.2,14.4,12.6}
Drawn results:
The Chi-square
Goodness of Fit
input screen:
Note: Press
… ~ ~ to
select TESTS. Press
†
several times to select
D:X
2
GOF-Test... Press
Í. To enter data for
df (degree of freedom),
press † † †. Type 4.
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