Question

Write at least two questions to find the mean, giving suitable data.

Answer 1

$Question1$.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