An analysis of monthly wages paid to the workers of two firms A and B belonging to the same industry gives the following results.
`{:("",,"A",,"B"),("Number of workers",, 500,, 600),("Average monthly wage" ,, 186,, 175),("Variance of distribution of wages",,81,,100):}`
In which firm, A or B, is there greater variability in individuals wages ?

Answer

`therefore` firm B has greater variability in individuals wages.