Suppose an analyst believes that the cost of an item (C) was…

Suppose an analyst believes that the cost of an item (C) was a linear function of the weight of an item (W): C = aW + b where a and b are constants. Which step of the engineering method might this be? i. Develop a clear descriptioniii. Propose or refine a modelv. Manipulate the modelvii. Conclusions and recommendations ii. Identify the important factorsiv. Conduct experimentsvi. Confirm the solution