Ex 13.1, 10 - Chapter 13 Class 11 Statistics
Last updated at May 7, 2024 by Teachoo
Last updated at May 7, 2024 by Teachoo
Ex 13.1, 10 Find the mean deviation about the mean for the data Now, ∑128▒𝑓𝑖 = 100 ∑128▒𝑓𝑖 |𝑥𝑖 −𝒙 ̅ | = 1128.8 Mean deviation about mean = (∑▒〖 𝑓_𝑖 |𝑥𝑖 −𝒙 ̅ | 〗)/𝑓_𝑖 = 1128.8/100 = 11.288