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The results of a common standardized test used in psychology research is designed so that the population mean is 150 and the standard deviation is
- The results of a common standardized test used in psychology research is designed so that the population mean is 150 and the standard deviation is 50. A subject earns a score of 300. What is the z-score for this raw score? z-score =
- Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the height of a man with a z-score of 1.9 (to 2 decimal places)
- The time to complete an exam is approximately Normal with a mean of 46 minutes and a standard deviation of 5 minutes.
- The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes.
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