Posted by jan on Friday, September 9, 2011 at 2:47pm.
(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  PsyDAG, Friday, September 9, 2011 at 4:20pm
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  Nik, Sunday, January 31, 2016 at 3:20pm
(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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