Sharp PC-1500 Applications Manual page 60
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SHARP
PROG RAM
T
ITLE
[Outline
I
MODIFIED
MOVING AVERAGE
This
program
is used
to determine the modified moving average
.
PROGRAM
NO.
P5-
B-Q
CE-
150
required
For
regression
analysis,
the
effects
of
minor
cyclic
variations
can be
cancelled by
averaging
the
movement,
if any, based on a
cycle.
[
Operating
Guide
I
lour
0
Number input of
averaging
items (n)
of the modified moving
average.
With the input of data, the printouts
are
made
for input values
and
mean
values.
I
Example
I
l. Find the
modified
moving
average
of
4
items.
Data:
56,
79.
O.
97
20, 23,
99.
68
34, 93,
31
I
Contents
I
(Formulas)
Processing
varies
wilh
the
number
of
averaging
items
(n)
being
an
odd
number
or
even
number.
J.
n
is
an
odd number:
1•1
,.,
Xi
=
I:
Xi/n
2.
n
is
an even
number:
X1
=
(
X
2
''+
X·;
•
+
±Xi
)
/
n
..
,
x
x
ll
t
l
X,
~
(-
2
'+
';'
+
I; Xi)/n
..
,
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sale
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54
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