Lesson eLearning

Find the mean of the numbers 3, 9, 7, 5, 11.

easy 1 mark Class 8 · Mathematics · Data Handling
Answer
7

The correct answer is 7 — Divide the sum by the number of terms: .

Step-by-step solution

  1. Sum all the numbers: .
  2. Divide the sum by the number of terms: .
Common mistake: Omitting one of the numbers while adding

Concept tested: Mean of a data set

Published · How this solution was prepared and checked

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