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  3. Fifty applicants for a job were given scores from 1 to 5 on their interview perf

Fifty applicants for a job were given scores from 1 to 5 on their interview perf

游客2024-01-14  20
问题 Fifty applicants for a job were given scores from 1 to 5 on their interview performance. Their scores are shown in the table above. What was the average score for the group?
选项 A、2.79
B、2.86
C、2.91
D、2.99
E、3.03
答案 B
解析 You can calculate this average score exactly the same way you would calculate a GPA--multiply each of the scores by the number of applicants with that score, add them all up, and divide the sum by 50. 10+48+63+14+8=143;143/50=2.86.
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