Question
Sonali applied for a job of Science teacher in a school.
In the test for job, she scored 8 in Physics, 8 in Chemistry, 6 in Biology, and 6.5 in the interview. For calculating the final score, weightage of 2, 3, 3, and 4 were assigned to Physics, Chemistry, Biology and interview, respectively. What is the weighted average score of Sonali?Solution
ATQ, Weighted average = (2 × 8 + 3 × 8 + 3 × 6 + 4 × 6.5)/(2 + 3 + 3 + 4) = (16 + 24 + 18 + 26)/(12) = 84/12 = 7
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