SLOPE

SLOPE(known_y's [,known_x's])

Returns the slope of a linear regression line through the given data points.

known_y's	The array or cell range of numeric dependent data points.
known_x's	(Optional) The set of independent data points.

REMARKS

* The slope is the vertical distance divided by the horizontal distance between any two points on the line, which is the rate of change along the regression line.
* The arguments must be either numbers or names, arrays, or references that contain numbers.
* If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.
* If "known_y" and "known_x" are empty or have a different number of data points, then #N/A is returned.
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

	A
1	=SLOPE({1,2,3,4},{5,6,7,8}) = 1
2	=SLOPE({2,3,9,1,8,7,5},{6,5,11,7,5,4,4}) = 0.306