Casio fx-250HC User Manual page 19

Arithmetic mean
Number of data
Sum of values
Sum of squares of values
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• 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
}
.
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