Used Car Sales Plan.

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Sean Willis 10E – Maths – Used car sales                                                       05/06/03

Used Car Sales Plan

The aim of this coursework is to investigate and find out data about a particular subject and then show that the data collected can be presented and compared in many ways using different types of tables, charts and graphs.

I am going to be looking at used car sales for my coursework. I will specifically be looking at the mileage and age of used as I think that these are the most relevant variables that will affect the value of used cars, other variables that could be used are;

  • New price
  • Engine size
  • Colour
  • Age
  • Make
  • Model
  • Fuel (diesel/unleaded)

To find out how the mileage and age affects the price, I will need to find a wide range of cars that have a wide range of mileages; this information is already available to me from the master spreadsheet provided by the school.

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Hypothesis

I predict that as the mileage of used cars increases, it will directly affect the car by decreasing its value, as the age of cars increases I believe that it will also affect the value of the car by a decrease. I will show this by putting the data into scatter graphs.

 

Using lines of best fit should prove my theory, but I have come across problems with this as it shows negative values, like negative mileage, age and price. There may be some problems as some cars may increase in value as ...

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