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

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average