Texas Instruments solar TI-36X - Manual (Page 38)

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Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 36 of
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7. When finished:
• Press %f and select CLRDATA to clear
all data points without exiting STAT mode, or
• Press %h to access the following
menu.
EXIT ST: Y N
Press V when Y (yes) is underlined to clear
all data values and exit STAT mode. STAT
indicator turns off.
Press V when N (no) is underlined to return
to the previous screen without exiting STAT
mode.
Variables Definition
n Number of X or (X, Y) data points.
ô or õ Mean of all X or Y values.
Sx or Sy Sample standard deviation of X or Y.
óx or óy Population standard deviation of X or Y.
÷x or ÷y Sum of all X or Y values.
÷x 2 or ÷y 2 Sum of all X 2 or Y 2 values.
÷xy Sum of X*Y for all XY pairs.
a Linear regression Y-intercept.
b Linear regression slope.
r Correlation coefficient.
X ê (2-VAR) Calculates predicted X value when you
input a Y-value.
Y ê (2-VAR) Calculates predicted Y value when you
input an X value.