Plot the graph, Draw the regression curve, Display the equation for best linear fit – HP 39g Graphing Calculator User Manual

Page 98

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Plot the graph

9. Plot the graph.

PLOT

Draw the

regression

curve

10. Draw the regression curve (a curve to fit the data points)

This draws the
regression line for the
best linear fit.

JBlIlDSHIBillilliifflBHIliBZni

Display the

equation for

best linear fit

11. Return to the Symbolic view.

SYMB

statistic

;

svmehlic

view

^BI

v'Slilg—eg

F i 11: 425.875*li+376„.

S2:
F i 12: m-stX+b

I ENTER IWDEPEWDEMT______________

li3TOI№lll5tMWiBWBKnngliIiniB|

12. Display the equation for the best linear fit.

Q to move to the Fnl

field

The full FITl
expression is shown. The
slope (m) is 425.875.

The y-intercept (b) is about 376.25.

8-4

Statistics aplet