The average person's speed when riding a bike along a street is 18 kilometers per hour. What conversion factor can be used to convert this speed to meters per hour? StartFraction 1 kilometer Over 1,000 meters EndFraction StartFraction 1 meter Over 1,000 kilometers EndFraction StartFraction 1,000 meters Over 1 kilometer EndFraction StartFraction 1,000 kilometers Over 1 meter EndFraction

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