In a school, 46 students of 9th standard, were told to measure the lengthsof the pencils in their compass-boxesin centimetres.Thedata collected was as follows. gms 13-14 14 -15 15-16 16, 15, 7, 4.5, 8.5, 5.5, 5, 6.5,6, 10, 12, 13, 4.5, 4.9 16, 11,9.2 7.3, 11.4, 12.7 13.9 16, 5.5, 9.9,8.4, 11.4, 13.1, 15, 4.8, 10, 7.5, 8.5,6.5, 7.2, 4.5, 5.7, 16, 5.7 6.9, 8.9,9.2, 10.2, 12.3, 13.7, 14.5, 10 By taking inclusive classes 0-5, 5-10, 10-15..prepare a group frequency distribution table.

In the school, 46 students of 9 th standard were told to measure the lengths of the pencils in their compass boxes in centimetres. The data collected was as follows:collected was as follows.16, 15, 7, 4.5, 8.5, 5.5, 5 ,6.5, 6, 10, 12, 13, 4.5, 4.916, 11, 9.2 7.3, 11.4, 12.7 13.916, 5.5, 9.9, 8.4, 11.4, 13.1, 15,4.8, 10, 7.5, 8.5, 6.5, 7.2, 4.5, 5.7, 16, 5.7 6.9, 8.9, 9.2, 10.2, 12.3, 13.7, 14.5, 10 By taking inclusive classes 0-5, 5-10, 10-15... prepare a grouped frequency distribution table

Complete the following table for given data:6, 14, 18, 8, 9, 14, 18, 19, 20, 10, 15, 20, 11, 16, 13, 17, 13, 11, 17, 10.

Complete the Venn Digram for the following : U = {1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13}, A = {1, 2, 3, 5, 7} B = {1, 5, 8, 9, 10} A uu B = ? A nn B = ?

What is the mean of 1, 3, 5, 7, 9, 11, 13?

What is the mean of 3, 5, 7, 9, 11, 13, 15?

Find the variance and S.D. for the following set of numbers. : 7, 11, 2, 4, 9, 6, 3, 7, 11, 2, 5, 8, 3, 6, 8, 8, 2, 6