151
Chapter 8: Statistics & Regression Calculations
8. MovethecursortoGRAPH
and press 
[
. 
 
9. Press
B
 
2
 (broken 
line with cross points).
10
.Press
G
. 
Nowyoucancomparethe
difference in web site access 
countsbetweenSundayandMonday.
 Press
@
 
q
.
2. Statistics Features
1. STAT menus
Pressthe
S
 key to access the statistical calculation menus. The menus are as 
follows:
  A EDIT Providestheentryoreditmodeanddisplaysalisttable.
  B OPE Calculationmenuforoperationssuchasascendingordescending
sort.
  C CALC  Obtains statistical values.
  D REG Calculatesregressioncurves.
  E TEST Statisticalhypothesistests
  F DISTRI  Distribution menu items
Use a list table to enter the statistical data (press 
S
 to access). 
Up to 999 elements can be used for each list, though the amount 
of data able to be entered will vary according to the memory usage.
UsetheCALCmenuundertheSTATmenutoobtainstatistic
values. 
Press
S
 
C
toaccesstheCALCmenu.
Data Entry
Calculating 
statistic values 
(CALC menu)