Question

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

Answer 1

Answer:

1. 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?

2. 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