HP Prime Graphing Wireless Calculator - Manual (Page 76)

72 Inference app
for an alternative hypothesis based on a quantitative
comparison of two quantities. The null hypothesis is
always that the two quantities are equal. Thus, the
alternative hypotheses cover the various cases for the two
quantities being unequal: <, >, and ≠.
In this section, we will conduct a Z-Test on one mean on
the example data to illustrate how the app works.
Select the
inference
method
2. Hypothesis Test
is the default inference
method. If it is not
selected, tap on the
Method field and
select it.
3. Choose the type of
test. In this case, select
Z–Test: 1
μ from the
Type menu.
4. Select an alternative
hypothesis. In this
case, select μ<
from the Alt Hypoth
menu.
Enter data
5. Go to Numeric view to
see the sample data.
M
μ
0