Econ 245 A01 Fall 2015 Page 3 6.The total area of bars in a relative frequency histogram:
C 7.If you are interested in comparing variation in sales for small and large stores selling similar goods, which of the following is the most appropriate measure of dispersion? A)The range B)The interquartile range C)The standard deviation D)The coefficient of variation ANSWER:
D8.Suppose you are told that the mean sample of numbers is below the median. What does this information suggest?