Example 4 - Chapter 15 Class 11 Statistics (Term 1)
Last updated at May 29, 2018 by Teachoo
Examples
Example 1
Example 2
Example 3 Important
Example 4 You are here
Example 5 Important
Example 6 (Normal Method)
Example 6 (Shortcut Method) Important
Example 7 Important
Example 8
Example 9 Important
Example 10 Important
Example 11
Example 12 Important
Example 13 Deleted for CBSE Board 2022 Exams
Example 14 Important
Example 15 Important Deleted for CBSE Board 2022 Exams
Example 16
Example 17 Important
Example 18
Example 19 Important
Chapter 15 Class 11 Statistics (Term 1)
Serial order wise
- Ex 15.1
- Ex 15.2
- Ex 15.3
-
Examples
- Miscellaneous
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
