— 16 —
210.
k
Combination
•
Example:
To determine how many different 4-member
groups can be organized in a group of 10 individuals.
10
A
n
4
=
Statisticasl Calculations (SD Mode)
• Press
Fl
to enter the SD Mode for statistical calcula-
tions using standard deviation.
• If FIX or SCI is on the display, press
F9
first.
• Data input always starts with
Au
.
•
Example:
To calculate
n
1
,
n
,
o
,
n
,
x
, and
x
2
for the
following data : 55, 54, 51, 55, 53, 53, 54, 52.
Enter SD Mode.
F
l
Input Data.
A
u
55
}
54
}
51
}
55
}
53
}
}
54
}
52
}
Sample standard deviation
A
q
Population standard deviation
A
p
0.
SD
52.
SD
1.407885953
SD
1.316956719
SD
