Calculating Estimated Values; Performing Normal Distribution Calculations - Casio fx-570ES PLUS User Manual

Casio calculator user's guide
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Calculating Estimated Values

Based on the regression formula obtained by paired-variable statistical
calculation, the estimated value of
The corresponding
regression) also can be calculated for a value of
formula.
To determine the estimate value for
4 4
regression formula produced by logarithmic regression of the data
in
. Specify Fix 3 for the result. (Perform the following operation
3
after completing the operations in
160
Result: 8106.898
Important: Regression coefficient, correlation coefficient, and estimated
value calculations can take considerable time when there are a large number
of data items.

Performing Normal Distribution Calculations

While single-variable statistical calculation is selected, you can perform
normal distribution calculation using the functions shown below from
the menu that appears when you perform the following key operation:
(STAT)
P, Q, R: These functions take the argument
standard normal distribution as illustrated below.
t:
This function is preceded by the argument X, and determines the
normalized variate
For the single variable data {
5 5
6;3, 7;4, 9;2, 10;1}, to determine the normalized variate (
= 3, and P(
(SETUP)
(SETUP)
0
1
2
10
3
x
-value (two values,
(STAT)
(Distr).
t
t
P (
P (
)
)
t
t
0
0
t
) at that point up to three decimal places (Fix 3).
(STAT)
(Fix)
3
4
5
1
2
1
2
(STAT)
y
can be calculated for a given
x
and
1
y
3
(Reg)
( )
t
t
t
Q (
Q (
)
)
t
t
0
0
.
x
n ; freq n } = {0;1, 1;2, 2;1, 3;2, 4;2, 5;2,
(ON)
(STAT)
6
7
9
2
2
3
4
2
1
t
(Distr)
(
)
E-25
x
, in the case of quadratic
2
y
in the regression
x
when
= 160 in the
.)
and determine a probability of
t
t
0
0
(1-VAR)
STAT
STAT
STAT
STAT
x
-value.
t
t
R (
R (
)
)
t
x
) when
FIX
FIX
FIX
FIX

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