In creating the learning curve equation from a regression output, which of the following is a false statement?

Group of answer choices

the y intercept must be transformed back into the original units.

curvilinear data has a greater degree of variation which requires it to be transformed linearly

the slope of the linear line is the rate of exponential decay for the curved line

R-squared values need to be above 50% to yield a useful equation for prediction.

None of the above 4 statements are false