Owner's Manual

64 Statistics Worksheet
Variable Key Display
Variable
Type
Predicted X value
Predicted Y value
Sum of X values
Sum of X squared values
Sum of Y values
Sum of Y squared values
Sum of XY products
G
Y**
G
Y
2
**
G
XY**
Auto-compute
Auto-compute
Auto-compute
* nn represents the number of the current X or Y value.
** Not displayed for one-variable statistics.
*** This guidebook categorizes calculator variables by their method of entry.
Types of Worksheet Variables
Resetting Statistics Worksheet Variables
• To clear all
X and Y values as well as all values in the statistics portion of
the worksheet without affecting the statistics calculation method, press &
z while in the data-entry portion of the worksheet (& j).
• To reset the statistics calculation method to LIN and clear all values except
X and Y, press & z while in the calculation method and
computation portion of the worksheet (& k).
• To reset the statistics calculation method to LIN and clear all values,
including X and Y, press & } !.
Entering Data Points
• You can enter up to 50 (
x,y ) data points.
• If you press # or " to move through the portion of the worksheet that
displays results without entering data points, the calculator will display an
error.
• When you enter data for one-variable statistics, X nn represents the value
and Y nn specifies the number of occurrences (frequency).
• When you enter a value for X nn , the value for Y nn defaults to 1.
Analyzing One-Variable Statistics
To analyze one-variable statistics, select
1-V. Only values for n, v, Sx, sX, GX,
and GX2 are computed and displayed for one-variable statistics.