Construct time-series plots of transportation expense data

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Reference no: EM131008470

The accompanying data on household expendi- tures on transportation for the United Kingdom ap- peared in "Transport Statistics for Great Britain: 2002 Edition" (in Family Spending: A Report on the Family Expenditure Survey [The Stationary Of?ce, 2002]). Expenditures (in pounds per week) included costs of purchasing and maintaining any vehicles owned by members of the household and any costs associated with public transportation and leisure travel.

Year	AverageTransportation	Percentage of HouseholdExpenditures for Transportation
1990	247.20	16.2
1991	259.00	15.3
1992	271.80	15.8
1993	276.70	15.6
1994	283.60	15.1
1995	289.90	14.9
1996	309.10	15.7
1997	328.80	16.7
1998	352.20	17.0
1999	359.40	17.2
2000	385.70	16.7

a. Construct time-series plots of the transportation expense data and the percent of household expense data.

b. Do the time-series plots of Part (a) support the state- ment that follows? Explain why or why not. Statement: Although actual expenditures have been in- creasing, the percentage of the total household expenditures that go toward transportation has re- mained relatively stable.

Reference no: EM131008470

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