Sharp PC-1500 - Page 60

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SHARP
PROGRAM
T ITLE
[Outline I
MODIFIED MOV I NG 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
l ou r 0 Number in put of averaging items (n) of the modified moving
average.
With the i
nput 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 Co n tents I (F or mu l as)
Processing varies wilh th e number of averaging it ems (n) being an odd numb er 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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