Statistical Operations
Table 10-3 Statistics Example
Keys | Display | Description |
5I1
70I
Inputs values for X(5) and Y(5).
:z
<I
<<
:z<<
I
<7I
<=
<
<
<
:z<<
<I<
Opens Stats menu.
Opens Descriptive
Displays average y.
Opens Predictions
(a*X+b) regression line.
Inputs 7 as the Prediction X value (month 7).
Calculates Prediction Y value (sales at month 7).
Displays value for a: the slope of the regression line.
Displays current value for b: the
Displays value for Correlation.
Opens Sums
To reset the menu items to their default values, with any item of the Data or Statistics menus displayed press :x. At
the prompt, Stats, press I. Confirm your choice by pressing I.
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