1. How is a standardized score related to an original score?
Ans: A standardized score, also called z score, is the number of standard deviation an original score is above or below the mean.
Learning Objective: 7-1: What is a standardized score?
Cognitive Domain: Comprehension
Answer Location: The z Score Transformation
2. How do you describe a normal distribution to someone who has never taken statistics?
Ans: Normal distribution is a bell-shaped curve, where the shape is a mirror image on the right and left of the center. You can find out the exact percentage of an area between any two numbers on the normal distribution.
Learning Objective: 7-3: What is the normal distribution?
Cognitive Domain: Application
Answer Location: The Normal Distribution