Kk copying a regression graph formula to the grph, Tbl mode – Casio ALGEBRA FX 2.0 Statistical Graphs and Calculations User Manual
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k Displaying the Calculation Results of a Drawn Paired-Variable Graph
Paired-variable statistics can be expressed as both graphs and parameter values. When
these graphs are displayed, the paired-variable calculation results appear as shown below
when you press 4(CALC)b(2VAR).
• Use
c to scroll the list so you can view the items that run off the bottom of the screen.
o
............... mean of data stored in
x
List
Σ
x
............. sum of data stored in
x
List
Σ
x
2
........... sum of squares of data
stored in
x
List
x
σ
n
............ population standard
deviation of data stored in
x
List
x
σ
n
-1
.......... sample standard deviation
of data stored in
x
List
n
............... number of data
p
............... mean of data stored in
y
List
Σ
y
............. sum of data stored in
y
List
k
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k Copying a Regression Graph Formula to the GRPH
•
TBL Mode
You can copy regression formula calculation results to the GRPH
•
TBL Mode graph formula
area, and store and compare.
1. Press 5(COPY) to copy the regression formula that produced the displayed data to
the GRPH
•
TBL Mode graph formula area*
1
.
2. Press w to save the copied graph formula and return to the previous regression
calculation result display.
6-3-11
Calculating and Graphing Paired-Variable Statistical Data
Σ
y
2
...... sum of squares of data stored in
y
List
y
σ
n
...... population standard deviation of data
stored in
y
List
y
σ
n
-1
.... sample standard deviation of data
stored in
y
List
Σ
xy .....
sum of data stored in
x
List and
y
List
minX ... minimum of data stored in
x
List
maxX .. maximum of data stored in
x
List
minY ... minimum of data stored in
y
List
maxY .. maximum of data stored in
y
List
*
1
You cannot edit regression formulas for graph
formulas in the GRPH
•
TBL Mode.