Florida played a key role in recent presidential elections. Voter registration records in August 2016 show that 38% of Florida voters are registered as Democrats and 36% as Republicans. (Most of the others did not choose a party.) In September 2016 you used a random digit dialing device to poll voters for the 2016 presidential elections. You used it to call 250 randomly chosen residential telephones in Florida. Of the registered voters contacted, 35% are registered Democrats. Is each of the numbers that are listed as percentages a parameter or a statistic