Statistics. Mathematics CBSE, Class 9: lessons, tests, tasks.

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1.	Introduction to statistics
2.	Construction of frequency distribution tables using ungrouped data
3.	Construction of frequency distribution table using grouped data
4.	Conversion of discontinuous data into continuous data
5.	Graphical representation of data
6.	Histograms
7.	Frequency polygons

1.	Find the range Difficulty: easy	3
2.	Complete the following Difficulty: easy	7
3.	Convert to frequency tables Difficulty: medium	6
4.	Answer the questions Difficulty: medium	4
5.	Construct a continuous series frequency distribution table Difficulty: hard	5

1.	Training test Difficulty: easy	14
2.	Training test Difficulty: medium	14

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Methodical recommendation

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