(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.
Cat's Eye Stone. Catâs Eye Stone (meaning) : In color it resembles the color of the neem fruit with silver streak which comes in chrysoberyl stone. It also comes in other colors like black, black & white, yellow, pale blue and light red. It clears obstacles hindrances and wards off evil effects of witch crafts.atâs Eye Stone (meaning) : In color it resembles the color of the neem fruit with silver streak which comes in chrysoberyl stone.