HP NW280-200X User Manual page 224

Prime graphing calculator
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Display the
test results
Plot the test
results
218
Field
name
n
0
We'll leave the data as it is for now, but the Numeric view
is where you add the data you are particularly interested
in.
6. Display the test
results:
The test distribution
value and its
associated
probability are
displayed, along with the critical value(s) of the test
and the associated critical value(s) of the statistic.
Tap
to return to Numeric view.
7. Display a graphical
view of the test
results:
P
The graph of the
distribution is
displayed, with the
test Z-value marked. The corresponding X-value is also
shown.
Tap
to see the critical Z-value. With the alpha
level showing, you can press
increase the -level.
Definition (Continued)
Sample size
Assumed population mean
Population standard deviation
Alpha level for the test
\
or
=
to decrease or
Inference app

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