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Mathematics, 18.05.2021 05:20 dmorinville8

Standardized tests for certain subjects , given to high school students, are scored on a scale of 1 to 5. Let X represent the score on a randomly selected examThe distribution of scores for one subject's standardized test is given in the table. what is the standard deviation of the distribution?

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Standardized tests for certain subjects , given to high school students, are scored on a scale of 1...
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