Carlos had 28 baseball cards. the cards came in packs of 4. carlos gave his friend 3 packs of cards. write an equation using c for the number of baseball cards left. solve to find how many baseball cards carlos has left.

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.