Following statements specifies various steps involved for assessing the model fitness (regression analysis). Arrange these statements in correct sequence that helps in assessing the overall fitness of the model (dependent variable: y; independent variable: x)

A. Estimate the mean of residuals

B. Assessment of mean of fitted dependent variable and given dependent variable

C. estimate the value of a and b from equation y= a + bx

D. Assessment of the mean of the residuals

E. Calculate the value of residuals

Choose the most appropriate answer from the options given below: