Factors of 21 and 12 have in common with the greatest

The GCF of 21 and 12 is 3. Hope this helps! :)

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.