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mathematicians, statisticians and economists in the house please someone should give me clue on how to solve this

nikkyejike:
mathematicians, statisticians and economists in the house please someone should give me clue on how to solve this

Regression not repression.You can use youtube to learn it and do your assignment if you do not have a good textbook.Maintenance cost is dependent on years of lets say equipment.You call the former Y(dependent variable) and the latter X(independent variable).
Use regression formular to solve.Plot on graph,you will get a scatter plot and regression analysis basically gives you the best line of fit and it is a kind of model used to estimate or predict an outcome considering deviations from the actual value.

Regression formular is straightforward,trust me.Goodluck