11. According to the census, the median household income in Atlanta (1.5 million households) was $52,000 in 1999.19 In June 2003, a market research organi- zation takes a simple random sample of 750 households in Atlanta; 56% of the sample households had incomes over $52,000. Did median household income in Atlanta increase over the period 1999 to 2003? (a) Formulate null and alternative hypotheses in terms of a box model. (b) Calculate the appropriate test statistic and P. (c) Did median family income go up