Mean of grouped data. Mathematics CBSE, Class 10: lessons, tests, tasks.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1.	Introduction
2.	Mean - ungrouped frequency distribution
3.	Mean - grouped frequency distribution
4.	Direct method
5.	Assumed mean method
6.	Step deviation method

1.	Determine the mean using direct method Difficulty: easy	3
2.	Calculate the mean Difficulty: medium	4
3.	Calculate the mean using step deviation method Difficulty: medium	4
4.	Find the missing frequencies Difficulty: medium	4
5.	Determine the value of the frequency 'f' Difficulty: medium	4
6.	Find the missing frequency 'x' Difficulty: medium	4
7.	Find the mean using direct method Difficulty: medium	4
8.	Find the value of the variable "a" Difficulty: medium	4
9.	Calculate the mean Difficulty: medium	4
10.	Find the mean weight of the students Difficulty: hard	5
11.	Find the mean number of patients Difficulty: hard	5
12.	Calculate the mean income of employees Difficulty: hard	5
13.	Assertion and reasoning: Mean of grouped data Difficulty: hard	5
14.	Calculate the mean using step deviation method Difficulty: hard	5
15.	Determine mean using assumed mean method Difficulty: hard	5

1.	Training test I Difficulty: medium	11
2.	Training test II Difficulty: medium	12
3.	Training test III Difficulty: hard	12

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Methodical recommendation

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