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Statistics Programs 16–19
Program Lines:
(In ALG mode)
Description
 !-1L2
Updates
¦
ii
fx
2
in register 31.

 !-
Increments (or decrements) N.



 !
#$
Displays current number of data pairs.
!
Goes to label I for next data input.
Checksum and length: 3080 117

Calculates statistics for grouped data.
Uº
Grouped standard deviation.
 ! 
#$ 
Displays grouped standard deviation.

º
Weighted mean.
 !
#$
Displays weighted mean.
!
Goes back for more points.
Checksum and length: 7246 24
""
Undo data–entry error.
".
Enters decrement for N.
" !
"
Recalls last data frequency input.
"-+.
Changes sign of f
i
.
" !
"!
Adjusts count and summations.
Checksum and length: E469 33
Flags Used:
None.