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To recall this type of value: Perform this key operation:
Σxy (S-SUM) (Σxy)
x
-
(S-VAR) ( x
-
)
σ
x
(S-VAR) ( σ
x
)
s
x
(S-VAR) (s
x
)
y
-
(S-VAR) ( y
-
)
σ
y
(S-VAR) ( σ
y
)
s
y
(S-VAR) (s
y
)
Regression coefficient A (S-VAR) (A)
Regression coefficient B (S-VAR) (B)
Regression calculation other than quadratic regression
Correlation coefficient r (S-VAR) (r)
xˆ (S-VAR) ( xˆ)
yˆ (S-VAR) ( yˆ)
• The following table shows the key operations you should use to recall
results in the case of quadratic regression.
To recall this type of value: Perform this key operation:
Σ x
3
(S-SUM) (Σ x
3
)
Σ x
2
y (S-SUM) (Σ x
2
y )
Σ x
4
(S-SUM) (Σ x
4
)
Regression coefficient C (S-VAR) (C)
xˆ
1
(S-VAR) ( xˆ
1
)
xˆ
2
(S-VAR) ( xˆ
2
)
yˆ (S-VAR) ( yˆ)
47
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