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anonymous
 one year ago
Suppose that all the values in a data set are converted to z scores. Which of the statements below is true?
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.
The mean and standard deviation of the z scores will be the same as the mean and standard deviation of the original data values.
The mean and the standard deviation of thez scores will both be 0.
The mean of the z scores will be 0, and the standard deviation of the z scores will be 1.
anonymous
 one year ago
Suppose that all the values in a data set are converted to z scores. Which of the statements below is true? 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. The mean and standard deviation of the z scores will be the same as the mean and standard deviation of the original data values. The mean and the standard deviation of thez scores will both be 0. The mean of the z scores will be 0, and the standard deviation of the z scores will be 1.

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