Operation Manual

Chapter 12: Statistics 185
10. Press … ~ 4 to select 4:LinReg(ax+b) (linear
regression model) from the
STAT CALC menu.
11. Fill in each argument in the stat wizard displayed.
Press y d (for
Xlist:), and † y e (for Ylist:),
Press † † (to
Store ReqEQ:)and then press
taÍ to paste Y1. Press † (to select
Calculate).
12. Press Í to execute LinReg(ax+b). The linear
regression for the data in L1 and L2 is calculated.
Values for
a and b are displayed in a temporary result
screen. The linear regression equation is stored in Y1.
Residuals are calculated and stored automatically in
the list name
RESID, which becomes an item on the
LIST NAMES menu.
Note:
– You can control the number of decimal places
displayed by changing the decimal mode setting
in z.
– The statistics reported are not stored in the
history on the home screen.
– Press
 5 ~ ~ to access the statistical
variables just calculated.
– Press ‘ to return to the home screen.
13. The stat wizard pastes the populated command in
the home screen history for repeated use, if needed
(press ‘ } } to view the home screen history as
show in the screen).