The distances (in km) covered by 24 cars in 2 hours are given below: 125,140,128,108,96,149,136,112,84,123,130,120,103,89,65,103,145,97,102,87,67, 78,98,126 represent them as a cumulative frequency table using 60 as the lower limit of the first group and all the classes having the class size of 15.

The weights in grams of 50 oranges picked at random from a consignment are as follows: 131,113,82,75,204,81,84,118,104,110,80,107,111,141, 136,123,90,78,90,115,110,98,106,99,107,84,76,186,82, 100,109,128,115,107,115,119,93,187,139,129,130,68, 195,123,125,111,92,86,70,126 Form the grouped frequency table by dividing the variable range into intervals of equal width, each corresponding to 20gms in such a way that the mid-value of the first class corresponds to 70 gms.

The water tax bills (in rupees) of 30 hours in a locality are given below. Construct a grouped frequency distribution with class size of 10. 30,32,45,54,74,78,108,112,66,76,88,40,14,20,15,35,44,66,75,84, 95,96,102,110,88,74,112,14,34,44