What is variance? How it differs from co-variance? How these are related to correlation?
What is variance? How it differs from co-variance? How these are related to correlation? The variance means the quality of being different divergent from the norm. It measures how far each number in the set is from the mean (average), and thus from every other number in the set. Variance is often depicted by this symbol: ฯ2. …
What is variance? How it differs from co-variance? How these are related to correlation? Read More »