Calculate mean and standard deviation of the following data by short-cut method:

[@sonikamkalaskar9372]

Thank you for this problem

[@itsunique5833]

Class interval serial even number me ho tab kisko zero manege.upar se count krege ya last side se..

[@karanbhat1260]

Thank you 👌 very nice explanation

[@NadiaShafique-uc7zg]

Thank you sir

[@allinthis7437]

Thanku sir

[@arra2449]

Agar mid value n = even no. Hua to A kya hoga

[@wariorgaming9115]

Ghantae hoga

[@amarkuldeepmohanty9697]

Dx = m-A /H?

[@monikagoswami1391]

👍👍🙂🙂

[@adityapandhare3691]

Thanks nise

[@RaviYadav-o1f3q]

Thxx

[@OneNightStudyChamp]

Sir aapne galta kiya hai 😅 aapne starting mai hi galti kar di aapme mid value 5+10=15 phir 25 phir plus 15 krke 35 kr diya 😅

[@sakshiSharma-ne9ck]

Tys

[@thebluebird7869]

Mean ka formula ye kyu lgaya h

[@smrutirekhamarndi1936]

Good morning sir 320 kaise hua Bo samjha may nhi aarhi

[@yainirin567]

10 _20 mid value kase 15 hai

[@phanigadu1670]

Its upper limit+ lower limit/2

[@pssabball]

Kis kis KZbin pr aa ke samajh lagi,?

[@elochukwunwankwo2077]

Language barrier 🤦🏾‍♂️🤦🏾‍♂️

[@mpteaching2860]

Mera answer galat hua is formula se 🤬