The updated averages are: (i) 22.5k (midpoint), (ii) 25k, (iii) 12.5k (midpoint), (iv) 10.45k (close to 10), (v) 20k and (vi) 15k (remains unchanged at point O). Class 9 Maths How Quantities Combine Understanding Data Question Answer Class 9 Maths Ganita ...