Example 4 - Chapter 15 Class 11 Statistics
Last updated at May 29, 2018 by Teachoo
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) = 140 × 92 = 2.3
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