Measures of Dispersion. Mathematics State Board, 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 to statistics
2.	Arithmetic mean
3.	Measures of dispersion
4.	Deviations from mean, Variance and Standard deviation
5.	Methods to calculate the standard deviation of ungrouped data
6.	Methods to calculate the standard deviation of grouped data
7.	Direct method to find standard deviation of ungrouped data - Example
8.	Mean method to find standard deviation of ungrouped data - Example
9.	Assumed mean method to find standard deviation of ungrouped data - Example
10.	Step deviation method to find standard deviation of ungrouped data - Example
11.	Mean method to find standard deviation of grouped data - Example
12.	Assumed mean method to find standard deviation of grouped data - Example
13.	Step deviation method to find standard deviation of grouped data - Example

1.	Multiple choice questions - I Difficulty: easy	4
2.	Multiple choice questions - II Difficulty: easy	3
3.	Two mark example problems Difficulty: medium	6
4.	Two mark exercise problems - I Difficulty: medium	8
5.	Two mark exercise problems - II Difficulty: medium	6
6.	Five mark example problems - I Difficulty: hard	15
7.	Five mark example problems - II Difficulty: hard	15
8.	Five mark example problems - III Difficulty: hard	15
9.	Five mark example problems - IV Difficulty: hard	10
10.	Five mark exercise problems - I Difficulty: hard	15
11.	Five mark exercise problems - II Difficulty: hard	10

1.	Find the largest value Difficulty: easy	2
2.	Find the range of the distribution Difficulty: easy	2
3.	Find the standard deviation Difficulty: easy	2
4.	Find the variance Difficulty: easy	2
5.	Find the range and its coefficient Difficulty: medium	2
6.	Calculate the standard deviation by direct method Difficulty: medium	5
7.	Calculate the standard deviation by mean method Difficulty: medium	5
8.	Calculate the standard deviation by assumed mean method Difficulty: medium	5
9.	Calculate the standard deviation by step deviation method Difficulty: medium	5
10.	Determine the standard deviation using mean method Difficulty: medium	5
11.	Find the standard deviation of 'n' natural numbers Difficulty: hard	5
12.	Determine the standard deviation using assumed mean method Difficulty: hard	5
13.	Find the standard deviation using step deviation method Difficulty: hard	5

1.	Determine the range Difficulty: easy	2
2.	Find the smallest value Difficulty: easy	2
3.	Calculate the standard deviation Difficulty: hard	5
4.	Find the remaining observation Difficulty: hard	5

1.

Methodical recommendation

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