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2B11-More about Statistical Charts part 1

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Orland
↓
a
range
lower limit :
limit
upper
of
rakes
45cg
:
49C
¥¥É¥↑
↑
44.5
whom
day
)
44.5
"
M
classmate =
class width
=
=
49.5-44-5
boundary
45-1-41
47
=
51$ )
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