Question

A career research organization published their findings. The distribution of new graduate's salary is symmetric and unimodal. But the distributions are different for different majors. For example, the salary of new graduate of English major has a average annual income of $50000, with standard deviation of $5000; the salary of new graduate of computer science major has a average annual income of $65000, with standard deviation of $2000. One new English graduate A receives an offer of $55000. Another new compute science graduate B receives an offer of $68000. Apply statistical methodologies to compare which offer is better.

Answer 1