NURS3316 unit 3
In ____ situation, neither median or mean will provide a good summary of the central tendency.
Σ (Mean − x)2/(n)
sum of the squares of all the differences from the mean.
SEM = S√nD√n
STANDARD ERROR OF THE MEAN
SEM = ____________ ________ of the _______.
L + [ i ( n / 2 - cf) ] / f