Statistics | Term 1 Chapter 5 | 6th Maths : Summary

**Summary**

● Information collected is known as data.

● First-hand information is called primary data.

● The data collected by someone else is called secondary data.

● The data collected is organized usually in a tally
marks table.

● The organized data can be represented using a pictograph
or a bar graph.

● A pictograph is the representation of data through
pictures of objects.

● A bar graph consists of parallel bars (horizontal
or vertical) whose length corresponds to the number of items.

●The pictographs and the bar graphs are interpreted
to answer the questions on data.

Tags : Statistics | Term 1 Chapter 5 | 6th Maths , 6th Maths : Term 1 Unit 5 : Statistics

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