Statistics 9-5
Store the regression equation into the Y= list and graph it.
15. In FUNC mode, press ( to display the Y= editor.
Press M to clear Y1, if necessary. Turn off all
other functions, if necessary.
16. Press L to display the VARS menu.
17. Press 2 to select STATISTICS..., and press 9 9 to
display the VARS EQ menu.
18. Press 5 to select REGEQ, which copies the linear
regression to the Y= editor screen.
Note: Each time you calculate a regression, the
regression equation (REGEQ) is updated.
19. Press ,. The data points are plotted (›), and
then the regression line is drawn.
20. Press + and then ~ to trace the points in
PLOT1, as indicated by P1 in the upper right corner
of the display.
Press † to move to Y1, and continue tracing the
function.