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What would be the variance and standard deviation? Automotive Fuel Efficiency Thirty-two automobiles were tested for fuel efficiency (in miles per gallon). The following frequent

What would be the variance and standard deviation?

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Automotive Fuel Efficiency Thirty-two automobiles were tested for fuel efficiency (in miles per gallon). The following frequent distribution was obtained. Find the variance and standard deviation. Round your answers to at least one decimal place. Class boundaries Frequency 7.5-12.5 12.5-17.5 17.5-22.5 22.5-27.5 8 27.5-32.5 4

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