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210.
kCombination
• 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 Flto 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
nҀ1, 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 deviatio
n
A q
Population standard deviation
A p
0.
SD
52.
SD
1.407885953
SD
1.316956719
SD