Vinay Sharma and H K Thakur Solutions for Chapter: Data Handling, Exercise 6: CHAPTER ASSESSMENT

Each of the items in the raw data is called

The kind of data collected by investigator himself is called

Number of times an observation repeats itself is called its

In tally chart the number indicated by $\cancel{\mathrm{IIII} }$$\mathrm{I}$ is

Pictograph is not suitable when frequency involved is quite large.

In bar graphs, bars should always be vertical.

Tallies $\mathbf{\left|}\mathbf{\right|}\mathbf{\left|}\mathbf{\right|}\mathbf{\left|}\mathbf{\right|}$ are used to represent $6$.

$100$ randomly selected students at an international school were asked to indicate the continent of origin of their father. The data collected has been organized into the following frequency table.