STATISTICAL MODE
Set the mode switch to STAT. The black items around the keys RM, =£M, and M+ are now in effect. Pressing
(Data) will clear the 1 E 1 ~ 1 J 1 memories so that they can be used for storing statistical results as described
below. To clear previous statistical inputs and calculations, press (2nd F) and fCAl . Intermediate results can
be obtained and then additional data may be added. As statistical calculations are performed, the store
memories 1 E 1 ~ ! J 1 are loaded with values, which are retained even if the mode switch is changed to AER
or COMP.
1. One-variable statistical calculation
Calculate the following statistics.
(1) n: Number of samples
(2) Xx: Total of samples
(3) 2 x 1 2 : Sum of squares of samples ^
(4) x: Mean value of samples x =
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