2. Check if X = (7,9,3,3,3,4,1,3,2,2) and Y = (2,1,4,4,4,6,6.5,7,1 } are symmetric? 3. The required weights (Kg) and price (Rs./Kg) of monthly items required by a family are given. Find weighted mean prices using A.M., G.M. and H.M. Item A B C D E Price (Rs./Kg) 300 200 600 250 650 Required weight (Kg) 25 5 4 8 3