Analysis Design and Assumptions
In the evaluation of possible independent variables that may impact the dependant variable of vehicle sales, Nissan Vehicle Sales data for a representative Car (Sentra) and SUV (Xterra) was gathered for the cities of Nashville and New York by month for a 4 year period from 2003 from official Nissan Web-site and other sources.
Our Specific areas that were of interest were gas prices, population density, and average income. Gas Prices data was gathered using the “Petroleum Navigator” tool in the US Department of Energy (DOE) website and “gasbuddy.com”, which contains comprehensive listings of gas prices by different cities for different periods. Income and Population Data were from the 2000 US Census data results and specific Metropolitan City Web-sites.
Gas prices would be represented in the study by the prices of gas in the two cities specified over a four year period. The analysis would presume that as gas prices grow consumers would......
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