Obtaining Statistical Values From Input Data - Casio CALCULATOR FX-85GT PLUS User Manual

Important: • All data currently input in the Stat Editor is deleted whenever
you exit the STAT Mode, switch between the single-variable and a paired-
variable statistical calculation type, or change the Stat Format setting on
the setup menu. • The following operations are not supported by the Stat
Editor: ,
also cannot be input with the Stat Editor.
To change the data in a cell: In the Stat Editor, move the cursor to the cell
that contains the data you want to change, input the new data, and then
press .
To delete a line: In the Stat Editor, move the cursor to the line that you want
to delete and then press
To insert a line: In the Stat Editor, move the cursor to the location where
you want to insert the line and then perform the following key operation:
(STAT)
To delete all Stat Editor contents: In the Stat Editor, perform the following
key operation:

Obtaining Statistical Values from Input Data

To obtain statistical values, press
recall the statistical variable (
variables and the keys you should press to recall them are shown below.
For single-variable statistical calculations, the variables marked with an
asterisk (*) are available.
x x
2
Sum: *,
(STAT)
Number of Items:
, Sample Standard Deviation: s
y
(STAT)
Minimum Value: minX*, minY, Maximum Value: maxX*, maxY
(STAT)
(When the single-variable statistical calculation is selected)
(STAT)
(When a paired-variable statistical calculation is selected)
Regression Coefficients: A, B, Correlation Coefficient:
Values: ,
(STAT)
Regression Coefficients for Quadratic Regression: A, B, C, Estimated
Values: , ,
1 2
(STAT)
• See the table at the beginning of this section of the manual for the regression
formulas.
• , , and
1 2
an argument immediately before them. See "Calculating Estimated Values"
for more information.
To input the single-variable data
2 2
the FREQ column to specify the number of repeats for each items
x
({ n ; freq n } = {1;1, 2;2, 3;3, 4;2, 5;1}), and calculate the mean and
population standard deviation.
(M–),
.
(Edit) (Ins).
(STAT)
y y xy
2
*, , , ,
(Sum)
n
*, Mean: *, , Population Standard Deviation:
(Var)
(MinMax)
(MinMax)
(Reg)
(Reg)
are not variables. They are commands of the type that take
(STO). Pol, Rec, and multi-statements
(Edit) (Del-A).
while in the Stat Editor and then
x
2
, , etc.) you want. Supported statistical
x
x x y x
3 2 4
, ,
to
*, s
x y
to
to
to
to
to
x
= {1, 2, 2, 3, 3, 3, 4, 4, 5}, using
E-22
*,
x
r
, Estimated