Check theΒ formula sheet of Statistics

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Chapter 15 Class 11 Statistics (Term 1)

Serial order wise

Last updated at Sept. 3, 2021 by Teachoo

Check theΒ formula sheet of Statistics

You can also download the pdf here

"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 β24_(i = 1)^nβx_i Median N is even Median = ((π)^π‘β π‘πππ + (π/2 +1)^π‘β π‘πππ)/2 N is odd Median =((π + 1)/2)^π‘β π‘πππ M.D (π Μ ) 1/N β_(i = 1)^nβγ|x_iβπ Μ |γ π Μ = Mean M.D (π) 1/π β_(π = 1)^πβγ|π₯_πβM|γ π = Median S.D (π) β(1/π β_(π = 1)^πβ(π₯_πβπ₯ Μ )^2 ) π₯ Μ = Mean Shortcut formula of S.D for grouped data : π=h/N β(π β_(π = 1)^πβγπ_πβπ¦_π^( 2) γβ(β_(π = 1)^πβγπ_πβπ¦_π^( 2) γ) ) π¦_π = (π₯_π β π΄)/β, A = Assumed mean