9. Raju set up his shoe-shop. He has shoes of various sizes viz. 3, 6, 8, 9 etc. in his shop. The most selling shoe-size for children is 4 whereas that for the olders it is 8. The ratio of child and older customers is 3 is to 4. (i) What do you mean by mode? (ii) What is the mode of the selling shoe-size? (iii) What will be the mode of the selling shoe-size if the given ratio reverses? (iv) Which value is depicted by Raju by setting up the shop? [Value Based Question] (4)​