One bottle of shampoo cost $6 for 8 ounces. a second bottle costs $4 for 5 ounces of shampoo. which has the lower unit rate. how much lower

sorry, i don't know i just need points, i'm new here. chao

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.