(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.
Treating Cat Eye Problems. There are numerous symptoms associated with cat eye problems. Common infections like conjunctivitis, or  pink eye , or feline Chlamydia of the eye can cause symptoms like redness, swelling, itching, squinting, tearing and discharge.