Find the range, Variance, and standard deviation for the given sample data. Bufferin Tablets. Listed below are the measured weights(in milligrams) of a sample of Bufferin Aspirin tablets. Given that this medication should be manufactured in a consistent way so that dosage amounts can be controlled, do the measures of variation seem to indicate that the variation is at an acceptable level? 672.2 679.2 669.8 672.6 672.2 662.2 662.7 661.3 654.2 667.4 667.0 670.7