Send the following on WhatsApp
Continue to ChatMisc 6 - Chapter 15 Class 11 Statistics (Important Question) https://teachoo.com//5153/1804/Misc-7---Mean--standard-deviation-of-a-group-of-100-observations/category/Chapter-15-Class-11th-Statistics/
Misc 6 - Chapter 15 Class 11 Statistics (Important Question) https://teachoo.com//5153/1804/Misc-7---Mean--standard-deviation-of-a-group-of-100-observations/category/Chapter-15-Class-11th-Statistics/