The power regression option finds the equation of an equation of the form y = ax

The data shown here is the points {(2,11.4) (3,17) (5,27.3) (7,36.1) (11,47.7) (13,49.9)}

Press DREG to view the regression options.

For power regression, select opton 12Rg_ax

Press and select power regression in the calculation screen. Now press followed by .

The best-fitting power equation for this data

The regression equation can be automatically stored in the equation editor by entering the name of the equation, such as y1, after (L1,L2 as follows: choose option A and select y1 followed by .