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Last updated at May 26, 2023 by Teachoo
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Check theΒ formula sheet of Statistics
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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 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
