Z Score Flashcards
1
Q
Z-scores
A
two variables that measure similar things but use diffrent scales ( Act and SAT)
-Standardizing our values is a way to adjust them so that we can compare them
-adjusted values are Z-score
How many SD from the mean we are away from
2
Q
properties of Z-scores
A
-Puts values on the same scale
-Mean (center)=0
-Standard deviation (spread) =1
-no units
3
Q
Z score comparisons
A
