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0.8
Grouped Standard Deviation
The standard deviation of grouped data, S
data points x
, x
1
fn.
This program allows you to input data, correct entries, and calculate the
standard deviation and weighted mean of the grouped data.
Program Lines:
Checksum and length: 104F 006.0
Checksum and length: 4060 007.5
16–18 Statistics Programs
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24
, ... , x
, occurring at positive integer frequencies f1, f2, ... ,
2
n
∑
x
=
S
xg
Start grouped standard deviation program.
Clears statistics registers (28 through 33).
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 28.
Size : 17 .7 x 25.2 cm
Stores 0.8 (100 percent minus 20
percent) in Q(X) and calculates X.
, is the standard deviation of
xy
∑
2
(
f x
)
2
i
i
−
∑
i
f
i
∑
−
(
f
)
1
i
Description
.
i
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