Operation Manual
— 16 —
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 
n1, 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










