Between the years 1434 and 1471, the Medici family spent 663,755 florins (coins used as currency in Florence) on buildings, charities and taxes. If the Medici family spent 340,576 on buildings and 189,450 on charities, how much did they spend on taxes? ANSWER: 663,755 subtract 340,576 subtract 189,450 equals 133,729

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