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What is the weighted mean of the scores 70, 80, and 90 with weights 1, 2, and 3
What is the weighted mean of the scores 70, 80, and 90 with weights 1, 2, and 3 respectively?
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Q1
What is the weighted mean of the scores 70, 80, and 90 with weights 1, 2, and 3 respectively?
80
85
90
75
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Weighted mean = (70*1 + 80*2 + 90*3) / (1 + 2 + 3) = 85.
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Q: What is the weighted mean of the scores 70, 80, and 90 with weights 1, 2, and 3 respectively?
Solution:
Weighted mean = (70*1 + 80*2 + 90*3) / (1 + 2 + 3) = 85.
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