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##

Calculating
and *S*

1. [STAT]

2. Arrow right to [CALC].

3. [1-Var Stats] should already be highlighted. Press [Enter]

4. Input [2nd] [L1] (or wherever your data is stored)

5. [ENTER]. The average and SD are in
and *Sx*, repectively.
The output
is the SD formula in Equation ( 3.2) with
the denominator *n*-1 replaced by *n* .

*2003-09-08*