HP 50g User Manual Page 611

Graphing calculator.

1. Z-Test: 1 .: Single sample hypothesis testing for the population mean, ,
with known population variance, or for large samples with unknown
population variance.
2. Z-Test:
means,
-
1
samples with unknown population variances.
3. Z-Test: 1 p.: Single sample hypothesis testing for the proportion, p, for
large samples with unknown population variance.
4. Z-Test: p
p .: Hypothesis testing for the difference of two proportions, p
p
, for large samples with unknown population variances.
2
5. T-Test: 1 .: Single sample hypothesis testing for the population mean, ,
for small samples with unknown population variance.
6. T-Test:
means,
-
1
Try the following exercises:
Example 1 – For
hypothesis H
:
0
Press ‚Ù—— @@@OK@@@ to access the hypothesis testing feature in the
calculator. Press @@@OK@@@ to select option 1. Z-Test: 1 .
Enter the following data and press @@@OK@@@:
You are then asked to select the alternative hypothesis. Select
press @@OK@@. The result is:
.: Hypothesis testing for the difference of the population
, with either known population variances, or for large
2
.: Hypothesis testing for the difference of the population
, for small samples with unknown population variances.
2
= 150,
= 10, x = 158, n = 50, for
0
=
, against the alternative hypothesis, H
0
= 0.05, test the
:
.
1
0
150, and
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