Chemistry, 24.10.2020 06:10, rouseallie9428

1. 140 students participated in a knowledge retrieval session. 25 scored 90 out of 100; 63 scored 80 out of 100; 31 scored 70 out of 100; 15 scored 60 out of 100: 6 scored 50 on the
knowledge retrieval session. Determine the average score on this knowledge retrieval
session. Show all work.

Answers: 1

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1. 140 students participated in a knowledge retrieval session. 25 scored 90 out of 100; 63 scored...