Check the formula sheet of Statistics
You can also download the pdf here
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Chapter 15 Class 11 Statistics
Chapter 15 Class 11 Statistics
Last updated at May 29, 2023 by Teachoo
Check the formula sheet of Statistics
You can also download the pdf here
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
"Chapter 15 Class 11" "Statistics Sheet " "by" teachoo.com Ungrouped Data 2, 2, 5, 3, 4, 8, 9, 7, 6, 6, 3, 1 Mean 1/N โ24_(i = 1)^nโx_i Median N is even Median = ((๐)^๐กโ ๐ก๐๐๐ + (๐/2 +1)^๐กโ ๐ก๐๐๐)/2 N is odd Median =((๐ + 1)/2)^๐กโ ๐ก๐๐๐ M.D (๐ ฬ ) 1/N โ_(i = 1)^nโใ|x_iโ๐ ฬ |ใ ๐ ฬ = Mean M.D (๐) 1/๐ โ_(๐ = 1)^๐โใ|๐ฅ_๐โM|ใ ๐ = Median S.D (๐) โ(1/๐ โ_(๐ = 1)^๐โ(๐ฅ_๐โ๐ฅ ฬ )^2 ) ๐ฅ ฬ = Mean Shortcut formula of S.D for grouped data : ๐=h/N โ(๐ โ_(๐ = 1)^๐โใ๐_๐โ๐ฆ_๐^( 2) ใโ(โ_(๐ = 1)^๐โใ๐_๐โ๐ฆ_๐^( 2) ใ) ) ๐ฆ_๐ = (๐ฅ_๐ โ ๐ด)/โ, A = Assumed mean