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Scores on a standardized test are normally distributed, perfectly symmetric and mound shaped, with a...

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Basic Math

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Scores on a standardized test are normally distributed, perfectly symmetric and mound shaped, with a mean of 100 and a standard deviation of 20. If these scores are converted to standard normal z scores, which of the following statements will be correct?The mean of the standardized z-scores will equal 100.Both the mean and median score will equal 0.The mean of the standardized z-scores will equal 5.The mean will equal 0, but the median cannot be determined.

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