Lesson eLearning

A student obtains the following marks in five subjects: 67, 74, 88, 59, 81. What is the mean score?

easy 2 marks Class 9 · Mathematics · Statistics
Answer
73.8

The correct answer is 73.8 — Divide the total by the number of subjects: .

Step-by-step solution

  1. Sum the marks: .
  2. Count the number of subjects: .
  3. Divide the total by the number of subjects: .
Common mistake: Adding incorrectly or forgetting to divide by the number of values

Concept tested: Mean of a data set

Published · How this solution was prepared and checked

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