Question

EXERCISE 14.1 class 10

Q1. 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
house.
Find the mean number of plants per
4-6
6-8
8-10
2-4
0-2
10-12
12-14
Number of plants
1
5
6
2
1
2
3
Number of houses

Which method did you use for finding the mean, and why ?
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Answer 1

Answer:

12 is the correct answer

please set me Brainlist

Answer 2

Answer:

we could use the most simple method that is mean is equal to sum of fixi divided by total number of Fi . Or you can also use assured mean method or step deviation, which is given in your book at pg. no. 260-266