Chi-Squared - HP 17bll+ User Manual

4040
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3200 I
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e
VOL I
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e
(use and
] [
if necessary)
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3 
3 
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4 
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Chi-Squared (

The χ
2
statistic is a measure of the goodness of fit between data and an
assumed distribution.
frequencies differs from a set of expected frequencies sufficiently to
reject the hypothesis under which the expected frequencies were
obtained.
*
The statistic can be assumed to be χ
if n or some of the E
















) Statistics
χ
2
*
It is used to test whether a set of observed
2
values are large.
i
Names the list VOL.
Displays the MAVG
equation. Make sure
name is VOL.
Displays menu.
Stores number of
points.
Calculates average for
months 1, 2, and 3.
Calculates average for
months 2, 3, and 4.
Calculates average for
months 3, 4, and 5.
Calculates average for
months 4, 5, and 6.
distributed with n–1 degrees of freedom
14: Additional Examples 219