HP Prime Graphing Wireless Calculator Manual de usuario Pagina 293

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12 Statistics 2Var app
The Statistics 2Var app can store up to ten data sets at one time. It can perform two-variable statistical
analysis of one or more sets of data.
The Statistics 2Var app starts with the Numeric view which is used to enter data. The Symbolic view is used to
specify which columns contain data and which column contains frequencies.
You can also compute statistics in Home and in the Spreadsheet app.
The values computed in the Statistics 2Var app are saved in variables. These can be referenced in Home view
and in other apps.
Getting started with the Statistics 2Var app
The following example uses the advertising and sales data in the table below. In the example, you will enter
the data, compute summary statistics, t a curve to the data, and predict the eect of more advertising on
sales.
Advertising minutes
(independent, x)
Resulting sales ($)
(dependent, y)
2 1400
1 920
3 1100
5 2265
5 2890
4 2200
Opening the Statistics 2Var app
Press and then select Statistics 2Var to open the Statistics 2Var app.
Getting started with the Statistics 2Var app 245
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