Question 16 Data that can be classied according to color are measured on what scale? Question 17 Except for rounding errors, relative frequencies should add up to what sum? Question 18 which of the arithmetic mean. median, and mode are resistant measures of central tendency? The arithmetic mean and median only The median and mode only The mode and geometric mean only G!) The arithmetic mean and mode only Question 19 what graphs should be used to show the relationship between the parts and the whole