An article reported the following data on oxidation-induction time (min) for various commercial oils: 86 101 130 160 180 152 195 133 145 212 105 145 154 137 87 99 95 119 129 USE SALT (a) Calculate the sample variance and standard deviation. (Round your answers to four decimal places.) S= min2 min (b) If the observations were reexpressed in hours, what would be the resulting values of the sample variance and sample standard deviation? Answer without actually performing the reexpression. (Round your answer to four decimal places.) hr21 hr Need Help? Read It Watch It

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