One way of checking the effect of undercoverage, nonresponse, and other sources of error in a sample survey is to compare thesample with known demographic facts about the population. The 2010 census found that 13.9%, or 32,576,000, of the235,016,000 adults, aged 18 and over, in the United States identified themselves as of Hispanic origin.Is the value 13.9% a parameter or a statistic? 13.9% is a parameter derived from a national Census that includes all individuals in a population. 13.9% is a statistic derived from a national Census that sampled 32,576,000 adults. 13.9% is a parameter derived from a national Census that sampled 32,576,000 adults. 13.9% is a statistic derived from a national Census that includes all individuals in a population.