The results of composition studies should be expressed on a 95% confidence level so that the relative confi- dence interval (i.e. the maximum allowance for a random sampling error) of the total results is below 10%.
The results of composition studies shouldbe expressed on a 95% confidence level so that the relative confi-dence interval (i.e. the maximum allowance for a random samplingerror) of the total results is below 10%.