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HP HP-20S - Page 58

HP HP-20S
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Example:
Population
Standard
Deviation.
The
coach
has
four
new
players
on
the
team
with
heights
of
193,
182,
177,
and
185
centi-
meters
and
weights
of
90,
81,
83,
and
77
kilograms.
Find
the
mean
and
population
standard
deviations
of
their
heights
and
weights.
Keys:
Display:
=)
0.0000
193
90
1.0000
182
81
2.0000
177
83
3.0000
185
77
4.0000
()
184.2500
=)
82.7500
5.0000
()
5.8041
(«]
4.7104
56
5:
Statistical
Calculations
Description:
Clears
the
statistical
registers.
Enters
height
and
weight
of
player
1.
Enters
height
and
weight
of
player
2.
Enters
height
and
weight
of
player
3.
Enters
height
and
weight
of
player
4.
Calculates
mean
of
heights
(x).
Displays
mean
of
weights
(y).
Adds
means
to
data.
(Data
must
be
in
x,y
order
with
y
in
the
display.)
Calculates
population
standard
deviation
for
heights
(x).
Displays
population
standard
deviation
for
weights
(y).

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