Students may be classified as having a math dysfunction—and not have to take statistics—if they score below the 25th percentile on a diagnostic test. The m of the test is 75 and sX  10. Approximately what raw score is the cutoff score needed to avoid taking statistics?

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Q: If a person’s z score equals -2.02, what is their percentile?

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Q: Your instructor has the Mid-Term examination grades. He told you that the 25th percentile is 51 and…

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Q: what range of raw scores makes up the middle 40%

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