# statistics

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11. (4 pts) The following statistics provide information about the scores on a national mathematics exam.

Mean 312 First Quartile 201
Median 296 Third Quartile 423
Mode 326 49th Percentile 307

a) What score did half of the test takers surpass?
b) What was the most common score?
c) What percentage of the test takers scored 201 or better?
d) If Joe had a score of 307, explain the meaning of his score.

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