SLOPE(known_y's,known_x's)
ɺ̺ SLOPE Ǻغú ɺȶǶ ȶ̶ɶ̶ ȶ̶ɶö˶ɶǶ öúкж̶.
Ѻ Ժɺ̺ жǶͶúкѶ̶ͺ Excel.
ǶʺкѶ̶, ӺѶ Ӷö˺ A1, A2, ..., A5 жǶ¶ú Ӷ̺жȺ 11.4, 17.3, 21.3, 25.9, 40.1, Ӷö˺ B1, B2, ... B5, Ӷ̺жȺ 23.2, 25.8, 29.9, 33.5, 42.7. Ƕº
SLOPE(A1:A5,B1:B5) ɺúѺк 1.417959936.
STDEV, STDEVPA.