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Chapter 15 Class 11 Statistics Formula Sheet - Chapter 15 Class 11 Statistics (Important Question)

Last updated at March 30, 2023 by

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Chapter 15 Class 11 Statistics Formula Sheet - Miscellaneous
Chapter 15 Class 11 Statistics Formula Sheet - Part 2
Chapter 15 Class 11 Statistics Formula Sheet - Part 3 Chapter 15 Class 11 Statistics Formula Sheet - Part 4

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Ch 15 Class 11th Statistics Formula Sheet.pdf

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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 βˆ‘24_(i = 1)^nβ–’x_i Median N is even Median = ((𝑁)^π‘‘β„Ž π‘‘π‘’π‘Ÿπ‘š + (𝑁/2 +1)^π‘‘β„Ž π‘‘π‘’π‘Ÿπ‘š)/2 N is odd Median =((𝑁 + 1)/2)^π‘‘β„Ž π‘‘π‘’π‘Ÿπ‘š M.D (𝒙 Μ…) 1/N βˆ‘_(i = 1)^nβ–’γ€–|x_iβˆ’π’™ Μ…|γ€— 𝒙 Μ… = Mean M.D (𝐌) 1/𝑁 βˆ‘_(𝑖 = 1)^𝑛▒〖|π‘₯_π‘–βˆ’M|γ€— 𝐌 = Median S.D (𝝈) √(1/𝑁 βˆ‘_(𝑖 = 1)^𝑛▒(π‘₯_π‘–βˆ’π‘₯ Μ… )^2 ) π‘₯ Μ… = Mean Shortcut formula of S.D for grouped data : 𝝈=h/N √(𝑁 βˆ‘_(𝑖 = 1)^𝑛▒〖𝑓_π‘–βˆ’π‘¦_𝑖^( 2) γ€—βˆ’(βˆ‘_(𝑖 = 1)^𝑛▒〖𝑓_π‘–βˆ’π‘¦_𝑖^( 2) γ€—) ) 𝑦_𝑖 = (π‘₯_𝑖 βˆ’ 𝐴)/β„Ž, A = Assumed mean

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.