The Truly Amazing Dudes are a group of comic acrobats. The weights (in pounds) of the ten acrobats are as follows. 196 163 173 139 142 87 182 136 149 177 ONE WIRE WA (a) Find the mean and sample standard deviation of the weights. (Round your answers to one decimal place.) 154.4 31.1 lbs lbs mean standard deviation (b) What percent of the data lies within one standard deviation of the mean? % (c) What percent of the data lies within two standard deviations of the mean?

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