The local preschool ordered all new bicycles and tricycles for the new school year. each bicycle and tricycle is shipped in its own box. oddly, the manufacturer shipped all the wheels in a separate box. if there are 16 boxes of bicycles/tricycles total, and 45 wheels total, how many tricycles were ordered?

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.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.