Sharp PC-1500 Applications Manual page 102
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SHARP
PROGRAM
T
I
T
L
E
I
Outline
J
HISTOGRAM
PROGRAM
NO.
PS-
D-7
CE-I
50
required
I
t
is often
necessary to
obtain the
frequency
distribution
of
the data
when
it
is
grouped into
a broader
classjfication.
This program generates
histograms,
making
visual
data assessmenst
possible.
I
Operation
Guide
I
I.
Parameter inputs (No.
o
f
data,
class initial
value,
class
interval,
and number
of classes)
2. Setting
the
way of
the data
input (Key input
or
cassette input)
Key
input:
Data to be keyed-in
then
to be
output to the cassette
tape.
Cassette
input:
Data
to be
input
from
the
cassette
tape.
3.
The variance
and
the standard deviation
are
calculated
for
printouts.
4.
The histogram is
printed out.
I
Example
I
No. of data=
I
0,
Class
initial value
=
0,
Class
interval=
2,
Class number=
5.
Variance:
6.81
Standard
Deviation:
2.609 59767
I
Contents
I
[
Formulas
I
I
•
v
=
-
I:
{
x;
-
il'
n
,
..
,
(Variance)
(Standard
deviation)
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96
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