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Chapter 15 Class 11 Statistics
Chapter 15 Class 11 Statistics
Last updated at Sept. 3, 2021 by Teachoo
Check theΒ formula sheet of Statistics
You can also download the pdf here
Solve all your doubts with Teachoo Black (new monthly pack available now!)
"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