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21 ( 2)10 that the average exam score was a 74.9 with a standard deviation of 8.34. 22 (A) A statistics student is trying to

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21 ( 2)10 that the average exam score was a 74.9 with a standard deviation of 8.34. 22 (A) A statistics student is trying to estimate the average grade on her exam. She surveys 50 students and finds 49 50 AB # CORRECT SCORE CORRECT IIIIII # CORREC RESCOR % CORP ROSTER SCORE NUMBER RESC decimal places. . NSWER SHEE

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