16-20 Statistics Programs
Updates in register -30.
Increments (or decrements) N.
Displays current number of data pairs.
Goes to label line numberI for next data input.
Checksum and length: F6CB 84
Calculates statistics for grouped data.
Grouped standard deviation.
Displays grouped standard deviation.
Weighted mean.
Displays weighted mean.
Goes back for more points.
Checksum and length: DAF2 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: 03F4 23
Program Lines:
(In ALG mode)
Description
∑
ii
fx
2