HP 40gs User Manual page 129

hp40g+.book Page 3 Friday, December 9, 2005 1:03 AM
Select the
inferential
method
Enter data
Inference aplet
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
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 Definition
name
μ0
Assumed population mean
σ
Population standard deviation
Sample mean
x
n Sample size
α
Alpha level for the test
11-3