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Unit- 16
Data Handling

Data Collection and making Table using Tally mark.

Introduction to data handling:
- Concepts of Data.
- Collection of Raw Data( primary data).
- Concept of Organizing data.
- Importance or need to collect Data.

Tally mark:
- Explanation about Tally mark.
- Interpreting or representing data using tally mark or Tally table.
- Collecting and organizing data in a table and tally table.
- Finding the results or conclusion after using tally marks.

Data handling using Pictographs:

- Drawing a Pictograph for a given information.
- Reading and interpreting a Pictograph.
- Representing the collected information into
pictograph and analysing the data with conclusion.

Line Plot:
- Making and Reading a Line Plot.
- Learning and representing the collected information
using Line plot instead of pictures or square blocks.

- Analysing the data by comparing and drawing
conclusion by making Line plot.

Block Graph:
- An introduction to what Block graphs are and how to
make them.
- Representation of collected information with the help
of blocks.
- Analysing the data and drawing conclusion using
Block Graph.