HP 33S Owner's Manual

Statistical Operations
11–9
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
6.61
Ï
40
/
7.21
Ï
60
/



7.78
Ï
80
/


Five data pairs entered.
º %
{

}

ˆ

ˆ
  

Displays linear–regression
menu.
Correction coefficient; data
closely approximate a strai
g
ht
line.
Õ

ˆ

ˆ
  


Slope of the line.
Õ

ˆ

ˆ
 



y–intercept.
x
0 20 40 60 80
8.50
7.5 0
6.50
5.50
4.50
r = 0.9880
m = 0.0387
b = 4.8560
(70, y)
y
X
What if 70 kg of nitrogen fertilizer were applied to the rice field
?
Predict the grain
yield based on the above statistics.



HP 33S Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Silver
Digits	10 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157 x 16 x 81 mm