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March 30, 2017

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(a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the highest scores on the exam. Why is she correct or incorrect?

  • basic statistics for the behavioral sciences - ,

    10th percentile means you scored equal to or better than 10% os the scores. 90% scored better than Foofy. She is in the wrong tail.

  • basic statistics for the behavioral sciences - ,

    (A) Wrong. 10th percentile means the lowest 10% of the class

    (B) Neither right nor wrong. It depends on which tail end the scores fall upon

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