Suppose That All the Values in a Data Set Are

question 57

Multiple Choice

Suppose that all the values in a data set are converted to z-scores. Which of the statements below is true? A: The mean of the z-scores will be zero, and the standard deviation of the z-scores will be the same as the standard deviation of the original data values. B: The mean and standard deviation of the z-scores will be the same as the mean and standard deviation of the original data values. C: The mean of the z-scores will be 0, and the standard deviation of the z-scores will be 1. D: The mean and the standard deviation of the z-scores will both be zero.

• A)C
• B)B
• C)D
• D)A

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