Posted by annabelle on .
a sample of n=25 scores has a mean of M=60 and a std dev of s=12. Find the zscore corresponding to each of the following scores from this sample.
X=66,X=48,X=84,X=55

statistics 
Reiny,
for x=66 the zscore is (6660)/12 = 0.5
do the rest the same way, the last one is (5560)/12 = 0.417