The classes are 5-9,10-14, 15-19……., (i) Find the lower boundary of the class 10-14. (ii) Find the upper boundary of the class 15-19.

The classes are 5 -9 , 10-14,15-19,20-24,... Find the lower boundary of the class 10-14.

The classes are 5-9 , 10-14,15-19,20-24,... Find the upper boundary of the class 15-19 .

Find the class mark of the class 11 to 15.

The classes are 5-10,10-15,15-20,…….Find the class width of each class.

The mid value of the class 10 - 19 is

The width of each of nine classes in a frequency distribution is 2.5 and the lower class boundary of the lowest class 10.6. Then the upper class boundary of the highest class is 35.6 (b) 33.1 (c) 30.6 (d) 28.1

The width of each of nine classes in a frequency distribution is 2.5 and the lower class boundary of the lowest class 10.6. Then the upper class boundary of the highest class is (a) 35.6 (b) 33.1 (c) 30.6 (d) 28.1

Find the sum of the lower limit of the median class and the upper limit of the modal class:

Find the sum of the lower limit of the median class and the upper limit of the modal class.

What is the upper class limit for the class 15-35?