Purple paint is made from mixing red paint and blue paint. the diagram shows the relationship between the amount of red paint and the amount of blue paint needed to make purple paint what fraction of each gallon of purple paint is red paint?

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.