The following data are from a random sample of 10 cars and their miles per gallon. {24, 18, 18, 31, 29, 32, 23, 19, 18, 28} Assume that the underlying population distribution is approximately normal and has no outliers. Find the following. Answer exactly or round to 3 decimal places. a. The sample variance, = b. The sample standard deviation, s = mpg² mpg

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The given data is $\left\{24, 18, 18, 31, 29, 32, 23, 19, 18, 28\right\}$. Here the sample size is $n=10$. We assume that the underlying population distribution is approximately normal and has no outliers.