• Mean, Variance & Standard Deviation

  (Representation of Data)

  In this S1 session, discussion of the chapter Representation of Data is continued.

  Calculation of the Mean, Variance and Standard Deviation of a distribution of data is explained.

  You will learn about the following:

  ♦ The Mean of Grouped and Ungrouped Data

  ♦ The Variance of Grouped and Ungrouped Data

  ♦ The Standard Deviation of Grouped and Ungrouped Data

  ♦ Meaning of Variance and Standard Deviation of data

  ♦ Examples

   

  Notes and Homework are available at the Exercise section of this session

• Session 4: Mean - Variance and Standard Deviation

  • Mean-Variance and Standard Deviation
    • The Mean 3 mins
      View Demo

      Demo video

      The Mean

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    • Example 2 2 mins
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      Demo video

      Example 2

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    • Example 3 4 mins
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      Demo video

      Example 3

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    • The Variance 4 mins
      View Demo

      Demo video

      The Variance

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    • The Standard Deviation 3 mins
      View Demo

      Demo video

      The Standard Deviation

      View Full Lesson
    • Example 1 - Ungrouped Data 5 mins
      View Demo

      Demo video

      Example 1 - Ungrouped Data

      View Full Lesson

• Excercise Files

  • Mean-Variance and Standard Deviation
    • Mean-Variance and Standard Deviation

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