After you finish entering
the data
Press [SHIFT] [9] (sigma n-1) to get sample standard
deviation
Press [SHIFT][8] (sigma n] for the population standard
deviation
Press [SHIFT] [7] (xbar) for the mean
Press [SHIFT] [6]
(n) for the number of data entries
Press [SHIFT] [5] (capital sigma
x) for the sum of values
Press [SHIFT] [4] (capital sigma x to y) for
the sum of squares of the values
For additional information
you might consider taking a look at the calculator manual
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