Tony is a medical sales representative. his company has set a goal for him to sell 4,200 bottles of a new medicine in 3 months if his sales are consistent from month to month ,how many bottles dose he have to sell each month to meet his goal

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.