(See Steps) MPG for Lawn Mowers A random sample of 22 lawn mowers was selected, and the motors were tested to see how many miles per gallon of gasoline each
Question: MPG for Lawn Mowers A random sample of 22 lawn mowers was selected, and the motors were tested to see how many miles per gallon of gasoline each one obtained. The variance of the measurements was 2.6. Find the \(95 \%\) confidence interval of the true variance.
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