The regression line minimizes the sum of the squared errors

True o false

F significance is used to determine how fit is the model

True o false

The best model is a statistically significant model with a high r-square and few variables

True o false

The exponential smoothing with trend model uses two smoothing constants, one constant works as in the exponential smoothing model and the other adjusts the line for presence of a trend

True o false

An exponential forecasting method is a time series forecasting method

True o false