Casio FX-9750G PLUS User's Manual & Technical Reference page 296

18 - 4
Calculating and Graphing Paired-Variable Statistical Data
k k k k k Copying a Regression Graph Formula to the Graph Mode
After you perform a regression calculation, you can copy its formula to the
GRAPH Mode.
The following are the functions that are available in the function menu at the
bottom of the display while regression calculation results are on the screen.
1. Press 5 (COPY) to copy the regression formula that produced the displayed
Note that you cannot edit regression formulas for graph formulas in the GRAPH
Mode.
2. Press w to save the copied graph formula and return to the previous
268
• Use c to scroll the list so you can view the items that run off the bottom of the
screen.
_
x
..................... mean of
Σ x
................... sum of
Σ x
.................. sum of squares of
2
x σ
.................. population standard deviation of
n
x σ
................ sample standard deviation of
n -1
n
..................... number of
_
y
..................... mean of
Σ
y
................... sum of
Σ
y
.................. sum of squares of
2
σ
y
.................. population standard deviation of
n
σ
y
................ sample standard deviation of
n -1
Σ xy ..................
sum of the product of data stored in
minX ............... minimum of
maxX .............. maximum of
minY ............... minimum of
maxY .............. maximum of
• {COPY} ... {stores the displayed regression formula to the GRAPH Mode}
• {DRAW} ... {graphs the displayed regression formula}
data to the GRAPH Mode.
regression calculation result display.
x
List data
x
List data
x
List data
x
List data items
y
List data
y
List data
y
List data
x
List data
x
List data
y
List data
y
List data
x
List data
x
List data
y
List data
y
List data
x y
List and List