Question

20. As part of the Swachh Bharat Abnhyan, 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 schoot
kids and the local community in doing so.
Her is the data indicating the number of plants contributed by different houses:
16-18
Number of plants
contributed
Number of houses
X
8
4
7
On the band so the above information answer any four of the following questions
mean number of plants contributed be 8.9. then how many houses contributed 7 to 9 plants? 1
6 bouse
7 mouse
1
How many hoses of the locality came forward to beautify the primary shcool?
1
12.65
Calculate the median of the frequency distribution, using empirical relation among mena, median
1
1
212.5 15.5​

Answer 1

Answer:

bro can't able to understand the question write it properly

Answer 2

Answer:

9 houses contribute for 7-9 class interval