HP 33S, User Manual

Page: 278 / 388

16–18
Statistics Programs
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Program Listing:
Program Lines:
(In ALG mode)
Description

Start grouped standard deviation program.

Clears statistics registers (28 through 33).


Clears the count N .
Checksum and length: EF85 24

Input statistical data points.

Stores data point in X .
 Stores data–point frequency in F .

Enters increment for N .

 Recalls data–point frequency f
i
.
Checksum and length: 184C 30
 
Accumulate summations.
 
 
Stores index for register 28.
 
 
Updates
∑
i
f
in register 28.
 
i i
f x
 
 
 
  Stores index for register 29.
 
 
Updates
∑
i i
f x
in register 29.
 
i
2
i
f x
 
 
Stores index for register 31.
 
 
 