Write at least two questions to find the mean, giving suitable data
Answers
Write at least two questions to find the mean, giving suitable data.
Question1.A survey was conducted by 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. Find the mean number of plants per house.
Number of plants 0-2 2-4 4-6 6-8 8-10 10-12 12-14
Number of houses 1 2 1 5 6 2 3
Which method did you use for finding the mean, why?
Question2.Consider the following distribution of daily wages of 50 workers a factory.
Daily wages(in Rs) 100-120 120-140 140-160 160-180 180-200
Number of houses 12 14 8 6 10
Find the mean daily wages of the workers of the factory by using appropriate method