Calculating the range and variance of a data set are all methods used to determine the ________ of a data set

When sorting an array of string values, the comparisons are made on the basis of the __________ values of the array elements.

Fill in the blank(s) with the appropriate word(s).

Member function definitions:

a. Always require the binary scope operator (::). b. Require the binary scope operator only when being defined outside of the definition of their class. c. Can use the binary scope operator anywhere, but become public functions. d. Must use the binary scope operator in their function prototype.