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1-1 Advanced Statistics (STAT)
u u u u u Function Menu
The following shows the function menus for the STAT Mode list input screen.
Pressing a function key that corresponds to the added item displays a menu that lets you
select one of the functions listed below.
• 3(TEST) ... Test (page1-2-1)
• 4(INTR) ... Confidence interval (page1-3-1)
• 5(DIST) ... Distribution (page1-4-1)
SORT and JUMP functions are located in the TOOL menu (6(g)1(TOOL)).
u u u u u Calculation of the Coefficient of Determination (r
You can use the STAT Mode to calculate the coefficient of determination (r
regression, cubic regression, and quartic regression. The following types of MSE
calculations are also available for each type of regression.
• Linear Regression ...
• Quadratic Regression ...
• Cubic Regression ...
• Quartic Regression ...
1-1-1
Advanced Statistics (STAT)
1
Σ
MSE =
n – 2
i=1
1
Σ
MSE =
n – 3
i =1
1
Σ
MSE =
n – 4
i =1
1
Σ
MSE =
n – 5
i =1
20010101
2
) and MSE
2
) for quadratic
n
2
(y
– (ax
+ b))
i
i
n
2
2
(y
– (ax
+ bx
+ c))
i
i
i
n
3
2
(y
– (ax
+ bx
+ cx
i
i
i
i
n
4
3
(y
– (ax
+ bx
+ cx
i
i
i
2
+d ))
2
2
+ dx
+ e))
i
i
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