1 The weight of a fire fighter would be an example of a continuous variable; since a fire fighter's weight could take on any value between 150 and 250 pounds.  Suppose we flip a coin and count the number of heads. The number of heads could be any integer value between 0 and plus infinity.
A postal code is a series of letters and/or digits appended to a postal address for the purpose of sorting mail. Once postal codes were introduced, other applications became possible. In February 2005, 117 of the 190 member countries of the Universal Postal Union had postal code systems.
A zip code is a five or nine digit numerical code that is assigned  to a specific region of the United States. It is used to quickly  sort mail to send it to its destination â¦ .    It is similar to a post code in the UK.You write it in the address  of where you are sending the item.    The postal codes used in the Philippines are also called Zip Codes,  but they are a completely separate system. Many other countries  have postal codes, but it is incorrect to call them zip codes..nother answer, which is probably the one that has to do with zip codes: Dictionaries say that  â¦ zip in zip code is from the initial letters of zone improvement plan.. Zip was also already a word meaning to cause to go fast.. So zip code means a zone improvement plan that causes mail to go fast..