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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:


If the mean number of plants contributed be 8.9, then how many houses contributed 7 to 9 plants?

A

6 houses

B

7 houses

C

8 houses

D

9 houses

Text Solution

Verified by Experts

The correct Answer is:
D
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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: 9 houses contributed 7 to 9 plants. How many houses of the locality came forward to beautify the primary school?

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: On the basis of the above information, answer any four of the following questions: The mode of the frequency distribution is

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