The circle graphs are commonly called . (Pie chart/Bar graph/Line graph)

An experiment which has more than one possible outcomes and it is not possible to predict the outcome in advance is called _____ experiment. $\left(\mathrm{random} / \mathrm{deterministic}\right)$

The outcomes which ensures the occurrence of an event are called _____. (favourable outcomes/ Equally likely outcomes)

An event which never happens is called a / an _____ event.

The data arranged in ascending or descending order of size is called data array.

The lower limit of class $10-20$ is $20$.

The class size of class$20-30$ is $10$ .

The class mark of $25-35$ is $30$ .

There is no difference between bar graphs and histograms.