Conclusion In the conclusion you must do the following: a) State the relationship between the variables identified in the purpose in a clear, concise English sentence. b) When a mathematical expression can be derived from graphical analysis, write it, making sure to include the appropriate units. State the meaning of the slope and discuss the significance of the y-intercept (when appropriate). c) Describe any new terms that arise as a result of your evaluation of data. d) When your results differ from what is expected, provide a plausible explanation