| 1 | Another concept that's very basic here is covariance. | |
| 2 | The COVAR() function calculates the covariance of two cell ranges. | |
| 3 | A negative covariance means that they tend to move opposite each other. | |
| 4 | Significance and application of covariance functions are discussed. | |
| 5 | A positive covariance means that the two move together. |