The median annual income of subscribers to Barron's magazine is $131,000 (barrons-mag.com, July 28, 2000). Assume a sample of 300 subscribers to The Wall Street Journal found 165 subscribers with an income over $131,000 and 135 subscribers with an income under $131,000. Can you conclude that there is any difference between the median incomes of the two subscriber groups? At α .05, what is your conclusion?