Standardization Flashcards
1
Q
What are the famous rule in the normal curve?
A
68, 95, 99.7
2
Q
What the difference of Z and T score
A
Z-score: Mean - 0 and SD = 1
T-score: Mean - 50 and SD = 10
3
Q
What is the Z-score formula
A
Z score = (X value - Mean)/SD
4
Q
How is considered an outlier in the Z-score
A
-3 > outlier > 3
