Chapter 7: Z-Score Flashcards
1
Q
what do you do when its says calculate between mean and another value?
A
take right off z-score probability table
2
Q
What must you typically do when given a problem where it asks to find less than or greater than a certain X-Value?
A
-find the z-score
3
Q
When the problem is less than?
A
- find the orginal z-score
- remember each side is .50
- subtract the number from .50
4
Q
When Zs are on different sides….what do you do with areas?
A
-add areas
5
Q
What do you do when two Zs are on the same side?
A
subtract the smaller one from the larger one
