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HP 300s Scientific Calculator User Manual

Page 65

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59

A =

B =

= ABx

Power Regression (A

X^B)

y = AX

B

A =

B =

= Ax

B

Inverse Regression (1/X)

A =

B =

y

ln

B

x

n

--------------------------------------

exp

n

x y

x

y

ln

ln

n

x

2

x

(

)

2

-------------------------------------------------------------

r

n

x y

x

y

ln

ln

n

x

2

x

(

)

2

n

y

ln

(

)

2

y

ln

(

)

2

-------------------------------------------------------------------------------------------------------------------

=

xˆ

y

ln

A

ln


B

-----------------------

=

yˆ

y

ln

B

x

ln

n

--------------------------------------------

exp

n

x y

x

ln

y

ln

ln

n

x

ln

(

)

2

x

ln

(

)

2

-------------------------------------------------------------------

r

n

x y

x

y

ln

ln

ln

ln

n

x

ln

(

)

2

x

ln

(

)

2

n

y

ln

(

)

2

y

ln

(

)

2

-----------------------------------------------------------------------------------------------------------------------------------

=

xˆ

e

y

ln

A

ln


B

-----------------------

=

yˆ

y

A B

X

---

+

=

y B

x

1

n

-----------------------------------

Sxy
Sxx

---------

r

Sxy

Sxx Syy

----------------------------

=

Sxx

x

1

(

)

2

x

1

(

)

2

n

------------------

=