A shoe store sells pairs of shoes of different sizes. The number of pairs of various sizes sold on a particular day are given below :
`{:("Size of shoes",1,2,3,4,5,6,7,8,9,10,11),("Number of pairs sold",3,5,1,2,8,2,4,3,5,5,2):}`
What is the modal shoe-size?

The shoe sizes of 30 players selected for interschool competitions are given below : {:("Shoe size"(x_(i)),7,10,9,8,5,11,6),("Number of players"(f_(i)),4,5,8,3,5,2,3):} Find the median of this frequency distribution.

A rack has 5 different pairs of shoes. The number of ways in which 4 shoes can be chosen from it so that there will be no complete pair is

If xepsilon {1,2,3,4,5,6,7,8,9,10}, solve the inequation 2x+6le5x-4 .

Following are the number of members in 20 families of the smallest size? 6,8,3,2,5,7,8,6,5,5,7,7,8,6,6,2,7,6,5,3 What is the mode of the data given?

Calculate the variance and standard deviation from the data given below: Size of item, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 Frequency , 3, 7, 22, 60, 85, 32, 8

Calculate the variance and standard deviation from the data given below: Size of item, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 Frequency , 3, 7, 22, 60, 85, 32, 8

Given below are the number of family members in 50 families of a locality : {:("Number of members",2,3,4,5,6,7,8),("Number of families",5,11,3,8,6,9,8):} For this frequency distribution, calculate the mean and median. Using empirical formula, calculate its mode.

Suggest a universal set for the sets given below : (5,7,9) , (3,5,7) ,(1,3,9) and ( 2,4,8)

There are four pairs of shoes of different sizes. Each of the 8 shoes can be coloured with one of the four colours. Black, Brown, White and Red. The number of ways the shoes can be coloured so that in atleast three pairs, the left shoe and the right shoe do not have the same colour is

Let U= { 1,2,3,4,5,6,7,8,9,10 } be the universal set and let A = {2,3,4,5,6} and B = { 3,5,7,8} be its subsets . Find A'