28. Average Income The following data represent the median household income (in dollars) for the 50 states and the District of Columbia in 2013. 39,622 42,499 48,801 52,888 55,258 60,907 67,620 39,919 43,749 50,121 53,027 55,700 61,137 67,781 40,241 43,777 50,311 53,774 56,307 61,408 71,322 40,850 44,132 50,553 53,843 57,196 61,782 41,208 45,369 50,602 53,952 57,528 62,963 41,381 46,398 51,485 54,453 57,812 62,967 42,127 47,439 51,767 54,842 60,106 63,371 42,158 47,886 52,219 54,855 60,675 65,262 Source: U.S. Census Bureau With the first class having a lower class limit of 35,000 and a class width of 5000: (a) Construct a frequency distribution. (b) Construct a relative frequency distribution. (c) Construct a frequency histogram of the data. (d) Construct a relative frequency histogram of the data