Each of these calculations, mean, median, and mode, attempt to define the ________ of a data set

Referring to the figure above, assume that you click Box in the Category list and want to enter your own custom padding.  You will need to ____.

A. uncheck the margins Same for all checkbox B. check the padding Same for all checkbox C. leave the padding Same for all checkbox as is (unchecked) D. None of the above.

The operational constant of the flock() function that opens the file with an exclusive lock for writing is the ____.

A. LOCK_EX B. LOCK_SH C. LOCK_NB D. LOCK_UN