Postal Letter

Which of the following is an appropriate description of the following list of postal ZIP codes?

02113, 10280, 33141, 44110, 60606, 75201, 80204, 90012,98102 A) 'zip code' is a continuous variable b) 'zip code' is a discrete variable c) the mean of the zip codes is a meaningful value to find. d) the zip code data can easily be graphed in a histogram. e) though expressed with numbers, szip codes are considered to be categorical, and should not be manipulated mathematically

Public Comments

1. I think E is the only one that makes sense.
2. e) is the only answer.