Texas Instruments -84 Plus, Manual Book

Page: 363 / 696

Chapter 13: Inferential Statistics and Distributions 360
c
2
GOF-Test GOF-Test GOF-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.