- A71.25
- B70
- C72.5
- D74
Step-by-Step Solution
. (The plain average 71.25 ignores the weights.)
Answer: C) 72.5
A student scores 80 in Maths, 70 in Physics, 60 in Chemistry and 75 in English. The weights of the subjects are 4, 3, 2 and 1 respectively. What is the weighted mean score?
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