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Casio fx-82AU PLUS II Manual

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E-18
Paired-variable (X, Y), power regression ( y = A x
B
)
7(A
• X^B)
Paired-variable (X, Y), inverse regression
(
y = A + B/ x )
8(1/X)
Pressing any of the above keys ( 1 to 8) displays the Stat Editor.
Note: When you want to change the calculation type after entering the
STAT Mode, perform the key operation 11(STAT) 1(Type) to display
the calculation type selection screen.
Inputting Data
Use the Stat Editor to input data. Perform the following key operation to
display the Stat Editor: 11(STAT) 2(Data).
The Stat Editor provides 40 rows for data input when there is an X column
only or when there are X and Y columns, 20 rows when there are X and FREQ
columns, or 26 rows when there are X, Y, and FREQ columns.
Note: Use the FREQ (frequency) column to input the quantity (frequency) of
identical data items. Display of the FREQ column can be turned on (displayed)
or off (not displayed) using the Stat Format setting on the setup menu.
To select linear regression and input the following data:
(170, 66), (173, 68), (179, 75)
N2(STAT) 2(A+BX)
170 = 173 = 179 =ce
66 = 68 = 75 =
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: m, 1m(M–), 1t(STO). Pol, Rec, and multi-statements
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 Y.
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:
11(STAT) 3(Edit) 1(Ins).
To delete all Stat Editor contents: In the Stat Editor, perform the following
key operation: 11(STAT) 3(Edit) 2(Del-A).
11
STATSTAT
STATSTAT
STATSTAT
… 19 …


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