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U SVPA survey was conducted by a group of students as a part of their environmentawareness programme, in which they collected the following data regarding the numberof plants in 20 houses in a locality. Find the mean number of plants per house,0-2 2-4 4-6 6-8Number os plants:8-10 10-12 12-141Number of houses:2 1 5 6 2Which method did you use for finding the mean, and why? |
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