Check sibling questions

Check theΒ formula sheet of Statistics

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

You can also download the pdf here

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

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.