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Example 4 - Find mean deviation - Chapter 15 Class 11 - Mean deviation about mean - Discrete Frequency

Example 4 - Chapter 15 Class 11 Statistics - Part 2


Transcript

Example 4 Find mean deviation about the mean for the following data : First we will calculate mean Mean deviation about mean = ﷮﷮𝑓𝑖 𝑥𝑖 − 𝑥﷯﷯﷯﷮ ﷮﷮𝑓𝑖﷯﷯ Putting ﷮﷮𝑓𝑖 𝑥𝑖 − 𝑥﷯﷯﷯ = 92 , ﷮﷮𝑓𝑖﷯ = 40 M.D. ( 𝑥﷯) = 1﷮40﷯ × 92 = 2.3

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.