Do upper-class households get a great deal of the income from interest and dividends? To answer the

Question:

Do upper-class households get a great deal of the income from interest and dividends? To answer the question, estimate the mean interest and dividend income for upper-class households (INTDIVINC).

Dividend
A dividend is a distribution of a portion of company’s earnings, decided and managed by the company’s board of directors, and paid to the shareholders. Dividends are given on the shares. It is a token reward paid to the shareholders for their...