Cost per serving (in cents) for six high-fiber cereals rated very good and for nine high-fiber cereals rated good by a magazine are shown below Cereals Rated Very Good 64 42 18 78 Cereals Rated Good 73 53 413 Combining the cost-per-serving data for high-fiber cereals rated very good and those rated good from above gives the following date set. In USE SALT (a) Calculate the quartiles and the Interquartile range for this combined data set. lower quartile upper quartile Interquartile range (b) Calculate the interquartile range for just the cereals rated good. Is this value greater than, less than, or about equal to the interquartile range computed in part (a)7 O greater than O less than O about equal Need Help? Head Il Mavier is