Best selling passenger cars in the united states


Since 2000, the Toyota Camry, Honda Accord, and Ford Taurus have been the three best selling passenger cars in the United States. Sales data for 2003 indicated market sharesamong the top three as follows: Toyota Camry 37%, Honda Accord 34%, and Ford Taurus29% (The World Almanac, 2004). Assume a sample of 1200 sales of passenger cars duringthe first quarter of 2004 shows the following. Passenger Car Units SoldToyota Camry 480Honda Accord 390Ford Taurus 330Can these data be used to conclude that the market shares among the top three passenger cars have changed during the first quarter of 2004? What is the p-value? Use a .05 level ofsignificance. What is your conclusion?

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Basic Statistics: Best selling passenger cars in the united states
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