Statistics 2Var App - HP Prime Graphing Calculator Quick Start Manual

Statistics 2Var App

The Statistics 2Var app is designed for the study of bivariate statistics. It provides tools for entering
numerical data, calculating 2-variable summary statistics, and creating 2-variable statistical plots.
The app can exchange data with the Statistics 1Var app and the Spreadsheet app (explained in
the User Guide). It can also receive data from the DataStreamer app and pass summary statistics
directly to the Inference app (where you can calculate confidence intervals and test hypotheses). To
open the Statistics 2Var app, press
view.
Numeric view The Numeric view provides a table with up to ten columns for data, named C1
through C9 and C0. The menu items are the same as those in the Statistics 1Var Numeric view (see page 35).
Symbolic view Press
Y to display the Symbolic view. You can define up to five 2-variable
analyses, named S1–S5, by specifying two data columns and a fit type for each analysis. The
menu items, which change according to the field selected, are:
• : to specify a data column, or, when a
equation. If you enter your own fit equation, the corresponding
changes to
User Defined
• : displays a menu for you to select a type of fit: linear, logarithmic, exponential, etc.;
visible only when a
• : toggles between making an analysis active or inactive
• : enters a C when tapped; visible only when an
• : enters an X when tapped; visible only when a
• : specifies whether a graph of the type chosen will be plotted when you display Plot view. If this is not selected, only
the data points are plotted.
• : displays the selection in textbook format in full-screen view; visible only when an
• : evaluates the variables in whatever is selected; visible only when an
I and select
.
field is selected
Typen
. The app opens in Numeric
Statistics 2Var
field is selected, to enter or edit a fit
Fitn
field automatically
Typen
field is selected
Sn
field is selected
Fitn
or field is selected
Sn Fitn
or field is selected
Sn Fitn
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