— 17 —
Arithmetic mean
A
`
Number of data
A
r
Sum of values
A
o
Sum of squares of values
A
a
•
}}
inputs the same data twice (as above).
• You can also input multiple entries of the same data using
-
. To input the data 110 ten times, for example, press
110
-
10
}
.
• The above results can be obtained in any order, and not
necessarily that shown above.
• To delete data you have just input, press
A[
.
8.
SD
427.
SD
22805.
SD
53.375
SD