Presentation on topic Data Handling for Class VII.

2.  We know that data is a collection of
observations. Visual representation
of data will help us to understand it better
and remember the facts easily.
 The word ‘data’ means collection of
information in the form of numerical
figures, or a set of given facts.

5. =

6. RANGE

8.  Median is the middle value of the given
numbers or distribution in their ascending
order. Median is the average value of the
two middle elements when the size of the
distribution is even.