HP 20b Consultant Financial, 30b Professional manual

Table 12-3	Statistics Example
Keys	Display	Description
<		Displays value for a: the slope of the
		regression line.

<

<

Displays current value for b: the y-intercept of the regression line.

Displays value for Correlation.

:z<<

<I<

Opens Sums sub-menu. Displays the sum of all y values (Sigma y).

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.

74 Statistical Operations