Exercise Problem I — task. Mathematics CBSE, Class 10.

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

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A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in

$20$ houses in a locality. Find the mean number of plants per house.

Number of Plants	$0-2$	$2-4$	$4-6$	$6-8$	$8-10$	$10-12$	$12-14$
Number of houses	$1$	$2$	$1$	$5$	$6$	$2$	$3$

The Mean of the data is

$=$ .

Which method did you use for finding the mean, and why?

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7. Exercise Problem I

Exercise condition: