HP 35s HP 35s scientific calculator - User Guide - Page 265
Statistics Programs, Program Lines, In ALG mode, Description
UPC - 000000000000
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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) Description Start grouped standard deviation program. Clears statistics registers (-27 through -32). Clears the count N. Checksum and length: E5BC 13 Input statistical data points. Stores data point in X. Stores data-point frequency in F. Enters increment for N. Recalls data-point frequency fi. Checksum and length: 3387 19 Accumulate summations. Stores index for register -27. ∑ Updates fi in register -27. xifi Stores index for register -28. ∑ Updates xifi in register -28. xi2fi Stores index for register -30. Statistics Programs 16-19
Statistics Programs
16-19
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)
Description
Start grouped standard deviation program.
Clears statistics registers (-27 through -32).
Clears the count
N
.
Checksum and length: E5BC 13
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: 3387 19
Accumulate summations.
Stores index for register -27.
Updates
in register -27.
Stores index for register -28.
Updates
in register -28.
Stores index for register -30.
∑
i
f
i
i
f
x
∑
i
i
f
x
i
2
i
f
x