Demi Converted Scores from a Customer Service Questionnaire to Z

question 75

Multiple Choice

Demi converted scores from a customer service questionnaire to z scores, and some of them are negative.She is trying to use a z table but is confused because there are no negative z scores in the tables.What should she do?

• A) Use the positive value because the normal curve is symmetric.
• B) Square the negative z-score value so that it becomes positive.
• C) Add 1.0 to the negative z-score value so that it becomes positive.
• D) Use 0 as the value for the z score.

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Definitions:

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