Check the formula sheet of Statistics
You can also download the pdf here
Last updated at Feb. 26, 2019 by Teachoo
Check the formula sheet of Statistics
You can also download the pdf here
Transcript
"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
Chapter 15 Class 11 Statistics
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