Question

0.
Write at least two questions to find the mean, giving suitable data.
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Answer 1

Answer:

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        

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