The weights (in kg) of 10 boys from a team are recorded as follows :
55, 53, 48, 47, 54, 49, 64, 45, 55, 50. Find their mean weight.

In a basket there are10 tomatoes.The weight of each of these tomatoes in grams is as follows: 60, 70, 90, 95, 50, 65, 70, 80, 85, 95.Find the median of the weights of tomatoes.

The ages of teachers of a school are 53,37,39,51,46,41,44,47,55,48 Find the median

There are 10 observations arranged in ascending order as given below: 45, 47, 50, 52, x,x+2,60, 62, 63, 74. The median of these observations is 53.Find the value of x.Also find the mean and the mode of the data?

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.