as useful as " is conduction or what part of speech it is?
Useful for...in a troop? Useful for...in a Circus? No offense, but what do you mean?
when you are grading you can use the mean as an average.
A useful young man
My Bible says it means useful
When you want the central location of a variable.
the recovery of useful substances from waste products
if you mean in terms of energy then it refers to a device that transfers more useful energy than it wastes if you mean in terms of energy then it refers to a device that transfers more useful energy than it wastes
When the distribution has outliers. They will skew the mean but will not affect the median.
It's just another way of saying "be useful". When you are in the woods a map and compass would be of use. They would be useful.
it means you have become friendly or useful to that person
handy candy
it means to shouted for no useful reason