HP 300s Scientific Calculator User Manual
Page 57
51
1 (n)
(STAT)
(Var)
( )
(STAT)
(Var)
(
)
Calculate minimum value and maximum value.
(STAT)
(Quart1)
(Minx)
(STAT)
(MinMax)
(MaxX)
Commands When Linear Regression Calculation
(A+Bx) Is Selected
With linear regression, regression is performed in accordance
with the following model equation.
y = A + BX
The following are the commands that appear on the sub-
menus that appear when you select
(Sum),
(Var),
(MinMax), or
(Reg) on the STAT menu while linear
regression is selected as the statistical calculation type.
A =
x
x
σ
n
x
x
n
--------
=
y
y
n
--------
=
x
σ
n
x x
–
(
)
2
n
------------------------
=
y
σ
n
y y
–
(
)
2
n
------------------------
=
x
σ
n 1
–
x x
–
(
)
2
n 1
–
------------------------
=
y
σ
n 1
–
y y
–
(
)
2
n 1
–
------------------------
=
y
B
x
•
–
n
--------------------------------