Make a frequency distribution of the following series. 1, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7.

Make a frequency distribution of the following series 1,1, 2, 3, 3, 3, 3, 3,3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6,6, 6, 6, 6, 7, 7,7,8,8.

Find the mode of the following data. 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6.

Find the mode of the following data. 2 , 2, 2 , 3, 3, 3, 4, 4, 4 , 5 , 5, 5, 6, 6 , 6,.

Find the modes of the following data. 5, 6, 3, 5, 4, 9, 5, 6, 4, 9, 5

Find the modes of the following data. 5, 7, 4, 5, 6, 2, 5, 2, 4, 7, 5

Find the mode of the numbers 2, 2, 2, 3, 3, 4, 5, 5, 5, 6, 6, 8.

25 students in a class got the following marks in an assignment- 5, 6, 7, 5, 4, 2, 2, 9, 10, 2, 4, 7, 4, 6, 9, 5, 5, 4, 3, 7, 9, 5, 2, 4, 5, 7. The assignment was for 10 marks. Organise the data and represent in the form of a frequency distribution table using tally marks.

Find the mode of the following data. a) 5, 6, 9, 10, 6, 12, 3, 6, 11, 10, 4, 6, 7. b) 20, 3, 7, 13, 3, 4, 6, 7, 19, 15, 7, 18, 3. c) 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6.

Let A = {1, 2, 3, 4, 5}, B = {4, 5, 6, 7}. Find A - B.

Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, A = { 1, 2, 3, 4}, B = { 2, 4, 6, 8 } and C = { 3, 4, 5, 6 } . Find A'