A bookshelf is 16.5 inch long. If each book is 2.5 in wide, how many books can fit on the shelf?

6.

Step-by-step explanation:

6 books make 15 inches therefore another one wont fit so 6.

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.