Statistics 32

Table of Contents

  • Average
  • Calculating Average
  • Summary
  • Did You Know?
  • What’s Next?

In the previous segment, we learnt about classifying data. In this segment of the chapter of

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    ‘Data handling’, we will learn how to find the average.

    What is an Average?

    ??????? = ??? ?? ??????

    ?????? ?? ??????

    The Average is also called the Arithmetic mean or simply, the mean. For example,

    Q. Find the mean of 1, 3, 8, 12, and 16.

    Solution:

    Step 1: Sum of terms = 1 + 3 + 8 + 12 + 16 = 40

    Step 2: Number of terms = 5

    Step 3: ???? = ??? ?? ??????

    ?????? ?? ??????

    ∴ ???? = 40

    5

    ∴ ???? = 8

    Thus, the mean of 1, 3, 8, 12, and 16 is 8.

    Summary

    Average

    An Average is a result you get by adding two or more amounts together and dividing the total by the number of amounts.

    Steps to calculate Average

    Step 1: Sum of terms

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