Per-capita income last year was $25000. Per-capita income is calculated by dividing total aggregate cash income by the total population. Real median income for families headed by a female, with no husband present, was $29000. Therefore, women wage-earners earned more than the national average.
Which of the following would, if true, weaken the above conclusion?
(A)Per-capita income is calculated in real terms
(B)In 99 percent of the cases, families headed by a female included no other wage-earner.
(C) Average income is not significantly different from median income
(D) The overall average and per-capita income were the same
(E)Only a small proportion of the total wage earners are women family heads.