Q1 of 108 Page 32

Two plants A and B of a factory show the following results about the number of workers and the wages paid to them


In which plant A or B is there greater variability in individual wages?

Variation of the distribution of wages in plant A(=18)


So, Standard deviation of the distribution A()


Similarly, the Variation of the distribution of wages in plant B(=100)


So, Standard deviation of the distribution B()


And, Average monthly wages in both the plants is 2500,


Since The plant with a greater value of SD will have more variability in salary.


Hence, Plant B has more variability in individual wages than plant A


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