Inference App - HP Prime Graphing Calculator Quick Start Manual

Inference App

The Inference app provides tools for inferential statistics, enabling you to specify confidence
intervals and test hypotheses. Summary statistics from any column in the Numeric view of the
Statistics 1Var or Statistics 2Var app can be imported into it. To open the Inference app, press
I and select
Inference
Symbolic view This view provides fields for you to define a confidence interval or hypothesis
test. The fields are:
• : choose hypothesis test or confidence interval
Method
• : choose from a variety of Z- and T-distributions
Type
• : choose one of three alternative hypotheses (for hypothesis tests only)
Alt Hypoth
Numeric view Press
M to display the Numeric view. This view contains fields for you to
enter sample statistics (e.g. sample mean
hypothesis mean  and standard deviation ), and the significance level
0
• : moves the cursor to the entry line where you can add or change a value
• : enables you to import statistics (such as , n, etc.) from any column in the Statistics
1Var or Statistics 2Var app (or any app based on those apps)
• : displays the interval or test results
. The app opens in Symbolic view.
and sample size n), population parameters (e.g. null
x
The menu items are:
.
x
39