Two competitive brothers, who work in two different industries, were comparing their salaries. Because there is a difference of 4 years in their respective work experience, they decided to compare, not their actual salaries, but to compare their salaries against their company averages to see who is doing better. The following gives the brothers salaries, companies mean, and standard deviation for each company. Which brother earns a higher salary compared to the rest of their colleagues?
A) Tom
B) Andy
C) They both compare the same when measured against their colleagues
D) Unable to determine from the information given

Question

Two competitive brothers, who work in two different industries, were comparing their salaries. Because there is a difference of 4 years in their respective work experience, they decided to compare, not their actual salaries, but to compare their salaries against their company averages to see who is doing better. The following gives the brothers salaries, companies mean, and standard deviation for each company.  Which brother earns a higher salary compared to the rest of their colleagues?
A) Tom 
B) Andy 
C) They both compare the same when measured against their colleagues 
D) Unable to determine from the information given

Quizplus · Accepted Answer

Andy's salary is 1 standard deviation above the mean of his company, while Tom's salary is only 0.5 standard deviations above the mean of his company. This means that Andy is earning a higher salary compared to his colleagues than Tom is earning compared to his colleagues.

Two Competitive Brothers, Who Work in Two Different Industries, Were