Example 4 - Chapter 13 Class 11 Statistics
Last updated at May 8, 2024 by Teachoo
Mean deviation about mean - Discrete Frequency
Mean deviation about mean - Discrete Frequency
Last updated at May 8, 2024 by Teachoo
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