HP 40gs - Manual (Page 129)

Inference aplet 11-3
Select the
inferential
method
2. Select the Hypothesis Test inferential method.
Select HYPOTH TEST
3. Define the type of test.
Z–Test: 1 μ
4. Select an alternative hypothesis.
μ< μ0
Enter data
5. Enter the sample statistics and population
parameters.
setup-NUM
The table below lists the fields in this view for our current
Z-Test: 1 μ example.
Field
name
Definition
μ0 Assumed population mean
σ Population standard deviation
Sample mean
n Sample size
α Alpha level for the test
x
hp40g+.book Page 3 Friday, December 9, 2005 1:03 AM