Mathematics, 21.10.2020 04:01 DisneyyKayy
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1540 and the standard deviation was 311. The test scores of four students selected at random are 1920, 1300, 2240, and 1420. Find the Z-scores that correspond to each value and determine whether any of the values are unusual.
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A standardized exam's scores are normally distributed. In a recent year, the mean test score was 154...
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