# (Answers for odd-numbered problems are in Appendix C.)1. (a) What does a z-score indicate? (b) What are thethree major uses of z-scores with individuals' scores?2. What two factors determine the size of a z-score?3. (a) What is a z-distribution? (b) Is a z-distributionalways a normal distribution? (c) What is the meanand standard deviation of any z-distribution?4. Why are z-scores called "standard scores"?5. (a) What is the standard normal curve? (b) Howis it used to describe raw scores? (c) The standardnormal curve is most appropriate when raw scoreshave what characteristics?

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(a) Explanation of z-score:

The z-score is used to identify the number of standard deviation a data is below or above the mean. In other words, it indica...

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