Question: a. What are the properties of the normal distribution? Why is it called normal? b. What is the meaning of a positive (+) Z score?

a. What are the properties of the normal distribution? Why is it called "normal"?
b. What is the meaning of a positive (+) Z score? What is the meaning of a negative (-) Z score?

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a The normal curve is a perfectly symmetrical bellshaped curve This means that precisely half the ob... View full answer

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