What can you say about the overall shape of the distribution

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1. Histogram or stemplot? Explain why we prefer a histogram to a stemplot for describing the returns on 1528 common stocks.

2. Automobile fuel economy. Government regulations require automakers to give the city and highway gas mileages for each model of car. Table 11.2 gives the highway mileages (miles per gallon) for 31 model year 2008 sedans. Make a stemplot of the highway gas mileages of these cars. What can you say about the overall shape of the distribution? Where is the center (the value such that half the cars have better gas mileage and half have worse gas mileage)? Three of these cars are subject to the "gas guzzler tax" because of their low gas mileage. Which three?

Reference no: EM131299081

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