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As part of the 'Swachh Bharat Abhyan', s...

As part of the 'Swachh Bharat Abhyan', some houses of a locality in Agra decided to clean up and beautify a Primary School of their locality by planting a number of plants. They involved the school kids and the local community in doing so.

Here is the data indicating the number of plants contributed by different houses:


9 houses contributed 7 to 9 plants. How many houses of the locality came forward to beautify the primary school?

A

50 houses

B

49 houses

C

48 houses

D

47 houses

Text Solution

Verified by Experts

The correct Answer is:
A
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As part of the 'Swachh Bharat Abhyan', some houses of a locality in Agra decided to clean up and beautify a Primary School of their locality by planting a number of plants. They involved the school kids and the local community in doing so. Here is the data indicating the number of plants contributed by different houses: The median class of the frequency distribution is

As part of the 'Swachh Bharat Abhyan', some houses of a locality in Agra decided to clean up and beautify a Primary School of their locality by planting a number of plants. They involved the school kids and the local community in doing so. Here is the data indicating the number of plants contributed by different houses: If the mean number of plants contributed be 8.9, then how many houses contributed 7 to 9 plants?

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