The following data represent the per capita (average) disposable income (income after taxes) for the 50 states and the District of Columbia in 2009.

With the first class having a lower class limit of 30,000 and a class width of 6000:
(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.
(e) Describe the shape of the distribution.
(f ) Repeat parts (a)–(e) using a class width of 3000.
(g) Does one frequency distribution provide a better summary of the data than the other? Explain.

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30,103 33,096 35,507 37,916 41,344 43,874 30,875 33,725 35,667 38,081 41,411 45,705 31,632 33,786 35,676 38,503 41,552 46,957 31,799 34,004 36,484 38,578 41,751 48,285 31,883 34,025 36,745 39,530 42,009 49,875 31,946 34,089 36,751 39,578 42,325 50,313 32,219 34,453 36,822 39,817 42,603 54,397 32,935 35,268 36,935 41,003 42,831 66,000 32,992 35,381 37,780