A student has the following marks in 5 subjects: 78, 85, 62, 90, 73. Find the mean score.
Answer
77.6
The correct answer is 77.6 — The mean score is .
Step-by-step solution
- Sum the marks: .
- Divide the sum by the number of subjects: .
- The mean score is .
Common mistake: Forgetting to add all the numbers before dividing
Concept tested: Arithmetic mean of a data set
Published · How this solution was prepared and checked
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