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

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.