This program allows you to input data, correct entries, and calculate the standard
deviation and weighted mean of the grouped data.
Program Listing:
Program Lines:
(In ALG mode)
Checksum and length: E5BC 13
Checksum and length: 3387 19
Start grouped standard deviation program.
Clears statistics registers (-27 through -32).
Clears the count N.
Input statistical data points.
Stores data point in X.
Stores data–point frequency in F.
Enters increment for N.
Recalls data–point frequency f
Accumulate summations.
Stores index for register -27.
∑
Updates
in register -27.
f
i
f x
i i
Stores index for register -28.
∑
Updates
f x
in register -28.
i i
2
x
f
i
i
Stores index for register -30.
Description
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i
Statistics Programs
16-19