Mathematics, 04.04.2020 18:19 JavyHart9695
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1491 and the standard deviation was 312. The test scores of four students selected at random are 1910, 1230, 2190, and 1380. Find the z-scores that correspond to each value and determine whether any of the values are unusual.
Answers: 2
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A standardized exam's scores are normally distributed. In a recent year, the mean test score was 149...
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