HP 49g Graphing Calculator - Manual (Page 176)

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Using inFerential statistics
To use the inferential statistics functions;
1. Press 0{SW) to access the Statistics menu.
2. Select the type of inferential statistics that you want.
- Select
HYPOTH. TESTS
to display the hypothesis tests.
- Select
CONF. INTERVAL
to display tire confidence interval options
3. From the list, select the hypothesis test or
the confidence interval that you want. The
input fomr, containing example data, is
displayed. For example, when you select
the Z-Test: 1 p hypothesis test, the input
fomr at the right appears.
For iirfomratioir on the test or confidence interval, aird the example
data, press
help
.
4. Enter your data, or leave tire input form as it is to use the example
data.
5. Press
OK.
- For hypothesis tests, a choose list appears, with the hypotheses to
test against the null hypothesis. Select the hypothesis you want and
press (ENTER). The results of the test are displayed.
- For confidence intervals, the results are displayed immediately.
By default, the results are displayed in text
format. The results for the one-sample
Z-test example data are shown on the riglrt.
To change input values, or to select a
different hypothesis to test, press
cancel
to
return to the previous screen.
6. Press
GRAPH
to display the results
graphically. The results for the one-sample
Z-test example data are showir on the right.
To view the results in text fonnat, press
TEXT.
M.= .5 ot 5.;^
list 2=-. 9462054
h-ob=. 1720219
critiC'ji. 2= —1,644854
criticit x=.432S433
1 (1 s
______
i.e44S5H Kfit. 2
\liSt 2=-.5H€205H
1_____ -1 _____________ H
Page 9-8 Using statistics