Question

Listed below are the lead concentrations​ (in mg/g) measured in different samples of a medicine. what do the results suggest about the safety of this​ medicine? what do the decimal values of the listed amounts suggest about the precision of the​ measurements?

Answer 1

There is not enough information for any meaningful conclusion.

They are rounded to one half unit measurements.

Because lead causes significant public health problems, a number of federal agencies have issued advisory standards or enforceable regulations that set lead levels in different media.