C++ Input/Output: Streams. The basic data type for I/O in C++ is the stream. . C++ incorporates a complex hierarchy. of stream types. The most basic stream types are the standard input/output streams: istream cin. built-in input stream variable; by default hooked to keyboard. ostream cout.
criteria range. criteria range. Conditions for selecting records; for example, Illinois customers with balances over $10,000 or residents who have lived in the state less than five years..
It is intuitively obvious why we define range in statistics this way - range should suggest how diversely spread out the values are, and by computing the difference between the maximum and minimum values, we can get an estimate of the spread of the data.