Sharp PC-1500 Applications Manual page 148
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PROGRAM
T
I T L
E
MANAGEMENT OF
STUDENTS'
ACHIEVEMENTS
I
Contents)
(Formu las)
(1)
•
The
formula
for
varian
ce
is
as
follows
:
PROGRAM
NO.
PS- D-
24
n
where
n=number
of
class
students
or total school
students
r
(
x
.
-x)'
,
·
,.,
=
number of
subjects
11
-
I
x
=
class
average
mark
or
total
school
average
x.
=
marks
of
subjects
*
Variance
is
prin
ted
out
by
rounded
off
to
t
hree
decimal
place.
•
Contents
of
print-outs
Class name
Code.
Name, Marks
by
subjects,
Individual
total,
Individual
average,
Class
total,
Class
average,
Class variance,
All
school
total,
average
and
variance
of all school,
Frequency
distribution
(shown
by
the
average
marks
of
five
subjects)
•
Up to I
0
classes
can
be
handled.
(2)
•
Input
items
necessary
to make
the
frequency
distribution
are as
follows:
Interval
=
10
Start point=
0
Number
of
intervals
=
5
Only
when
the
start
point
begins
with
0,
the
difference
between
the
first and next start
points
is
"
Interval
+
I".
The
number
of intervals is up
to 20.
•
Make
the file
by
the
class
and save it in
to
the
tape.
The
file
name
is
identical to
the
class
name.
•
Studen
t
name shou
ld be
Jess
than
14
characters.
0
II
21
31
41
(
Ex
.)
(3)
•
Load
data into the
machine
using
1
-1
w
'
III
.
or
m
.
and
save
into
the tape
by
lo..-1
W ,
or
III
.
•
To
do this
program,
connect the
cassettes
as
illustrated
below.
f-
SP
Jnterfncc
/
•
SP
v · R f
..
RE.O
MCt--.
Rf:.
1.
)-MC
---i.
Rll.
Do
not
saTe
this PDF
!!!
Cassette
I
Cassette
2
-
142-
2
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