Send the following on WhatsApp
Continue to ChatEx 13.2, 1 - Chapter 13 Class 11 Statistics https://teachoo.com//5312/657/Ex-15.2--1---Find-mean-and-variance-for-6--7--10--12--13/category/Ex-15.2/
Ex 13.2, 1 - Chapter 13 Class 11 Statistics https://teachoo.com//5312/657/Ex-15.2--1---Find-mean-and-variance-for-6--7--10--12--13/category/Ex-15.2/