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A major car magazine has recently collected data on 30 leading cars in the U.S. market. It is interested in building a multiple regression model to explain the variation in highway miles. The following correlation matrix has been computed from the data collected: The analysts also produced the following multiple regression output using curb weight, cylinders, and horsepower as the three independent variables. Note, a number of the output fields are missing, but can be determined from the information provided.
Based on the information provided, using a 0.05 level of statistical significance, both curb weight and horsepower are statistically significant variables in explaining the variation in the dependent variable when they are included in the model along with cylinders.
Consumer Surplus
The difference between what consumers are willing to pay for a good or service and what they actually pay.
Tariff Revenue
The income earned by a government from imposing taxes on imported goods.
Import Quota
An import quota is a government-imposed limit on the quantity or value of goods that can be imported into a country.
Regional Trading Bloc
A group of countries within a geographical region that protect themselves from imports from non-members through tariffs and quotas.
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