24  HP App Summaries
HP App Summaries24
The Parametric App
The Parametric App is quite similar in structure and functionality to the Function App. Table 9 lists the similarities and major differences 
between these two Apps. Press Apps, scroll down to select the Parametric App, and press the START menu key to get started. The Para-
metric App opens in the Symbolic view.
Press the CALC menu key to see the confidence interval or hypothesis test results. Press the 
OK menu key to return to the Numeric view.
Inference Numeric View
Press Plot to enter the Inference Plot view. This view displays the test results or confidence 
interval graphically.
Press the 
α menu key to see the critical score against the test score. Use the left- and right-
cursor keys to decrease and increase the alpha-level while the α menu key is active.
Inference Plot View
Table 8 Inference App Summary
Summary of Functionality View Name and Display