A car enthusiast hypothesized that the average horsepower

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A car enthusiast hypothesized that the average horsepower of 8 cylinder cars was less than 475. A random sample of 15 models of 2008 cars was selected and the horsepower measured for each car. The average horsepower was 440.6 with a standard deviation of 59.2 Estimate the p-value.

Reference no: EM13636001

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