Statistical Calculations (Sd Mode) - Casio fx-250HC User Manual

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