Sharp EL-506H

Example:
Calculate standard deviation, mean, and variance (s)^ from the following data:
Value I 35 I 45 I 55 I 65
Frequency | 1 | 1 | 5 | 2
As each sample Is entered the number of that sample will appear on the right hand
side of the display. |<
l2ndF| jSTATl
SndFjpf^rsI
35
45
55 [X] 5
65 [X] 2
Key in:
Mean: IxZliI
Standard Deviation (s): I sd I
Variance: | X' I
Key in: Display
Display:
53.88888889
9.279607273
86.11111114