Find the frequency of Class 40-60 by using the given data:

Facts or figures collected with a definite purpose are called _______________ .

Tally marks are used to find which of the following?

How many students live between 1.0 - 1.9 km from the school?

Find the Frequency of class 80-100 by using the given data:

The table shows the type and number of cakes sold by a bakery. In a pictograph, one symbol   represent 5 cakes. How many symbols are required to represent the number of the best-selling type of cake ? 

How many students live between 1.0 - 2.9 km from the school?

Between what distances from the school do 66 students live?

Find the frequency of Class 100-120 by using the given data:

In which year the difference between the highest and the average marks in Maths was maximum ?