How would I get the variance and standard deviation ? Automotive Fuel Efficiency Thirty-one automobiles were tested

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How would I get the variance and standard deviation ?

Automotive Fuel Efficiency Thirty-one automobiles were tested for fuel efficiency (in miles per gallon). The following frequenc 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 13 22.5-27.5 Na 27.5-32.5

Posted Date: Jun 21, 2024 11:11 PM

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How would I get the variance and standard deviation ? Automotive Fuel Efficiency Thirty-one automobiles were tested

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