(Redirected from Weighted mean) In colloquial language, an average is the sum of a list of numbers divided by the number of numbers in the list. In mathematics and statistics, this would be called the arithmetic mean. In statistics, mean, median, and mode are all known as measures of central tendency.
Definition of cat'sâeye for English Language Learners. : 1  a jewel that has a pale stripe running down its middle which makes it look like the eye of a cat. : 2  a marble with round circles that look like eyes.
Tigers Eye. Learn about the crystal meanings of Tiger Eye including metaphysical and healing properties lore. Golden (Brown) Tiger's Eye Tumble Example. Alternate Names or Spellings: Tiger Eye, Brown Tiger Eye, Golden Tiger Eye. Tiger's Eye is a stone of protection that is also very stabilizing and grounding.It enhances integrity, willpower, self-confidence, practicality and correct use of power. It is a stone that enhances good luck, and brings prosperity, often in the form of money.iger's Eye also comes in blue and red. See Blue Tiger Eye (Hawk's Eye) and Red Tiger Eye (Dragon's Eye) . Note that healing crystal meanings are spiritual supports to healing and are not prescriptions or healthcare information.