HP 10s User Manual page 25

Standard deviation of the population
(x0 n) = 1.316956719 (Sar) (Fa) (2)
Mean (x) = 13.375 SHIFT (S¥AR] (7)
Number of data points(n) = 8 sat) (ssw) (3)
Sum of the data values(=x)= 107 _ [sw] (sun) (2) El
Sum of the squares of the data values
(= x2) = 1445 (sa) (-0) (1)
Data Entry Hints
Press [DT](DT] to enter the same data twice.
Press [sf] [3] to repeat the same data item several
times. For example, press100 [sum] (5 ] 15 to
enter the data value 100 15 times.
You can perform these operations in any sequence,
not necessarily in the same order as in the example
above.
Press [@&Jor[]to scroll through the entered data.
Edit the data displayed as desired. The new data
replace the old data after inputting new data and
pressing the key [E§. Therefore, if you want to
perform some other operations (calculation,
display calculation result and so on), you must first
press the key to exit from the data displaying
screen.
To change a data value, scroll to it, enter the new
value and press EB. (However, you must press [DT]
if you want to add the value as a new data item.)
To delete a data value displayed by pressing La]
and [], press [sift] [Fr].
The values are stored in the memory. If "Data Full"
appears on the screen, there is no more memory
available to store new data. In this case, press
EB to display the following menu:
Edit OFF ESC
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