beautypg.com

HP 300s Scientific Calculator User Manual

Page 66

background image

60

Comparison Regression Curves

The following example uses the data input in as following table:

Compare the correlation coefficient for logarithmic, e
exponential, ab exponential, Power, and inverse regression.

(STAT)

(Type)

(InX)

(STAT)

(Reg)

(r)

(STAT)

(Type)

(e^X)

(STAT)

(Reg)

(r)


(STAT)

(Type)

(A

⋅

B^X)

(STAT)

(Reg)

(r)

(STAT)

(Type)

(A

⋅

B^X)

(STAT)

(Reg)

(r)

x

y

x

y

1.0

1.0

2.1

1.5

1.2

1.1

2.4

1.6

1.5

1.2

2.5

1.7

1.6

1.3

2.7

1.8

1.9

1.4

3.0

2.0

Syy

y

2

y

(

)

2

n

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

–

=

Sxy

x

1

–

(

)y

x

1

y

•

n

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

–

=

xˆ

B

y A

–

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

=

yˆ

A B

x

---

+

=

See also other documents in the category HP Tablet: