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To find out what affects the prices of used cars - I will be looking at the two different variables age and mileage to find out if they effect the prices of used cars.

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Introduction

Aim

To find out what affects the prices of used cars. I will be looking at the two different variables age and mileage to find out if they effect the prices of used cars.

Hypothesis

I think that the mileage has a lot to do with the price of cars and I feel there will be a lot of positive correlation because in my experience of cars the higher the mileage the lower the price. As the mileage, increase the price decrease. Also I believe that the cars age will have more effect than the mileage on the price because as the average age for car increase the price decrease. I think that this is because if the car is old or it has a high mileage then it is more likely to need service.

Method

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Middle

Conclusion

I scatter graph shows line of best fit. The first thing I noticed about the graph was that it was a positive correlation between the price and the mileage. The spread of Data looked very

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Conclusion

I have found out that age effects the prices the most, mileage also effects the price not as much as the age does. Going back to my hypothesis, which proves that my Hypothesis was correct, because I said that age will affect price more than mileage which I did. I had some difficulties doing this the time restriction, missing data because we only used 100 cars we could have got more from the autotrader exchange mart. I could have taken it further by comparing the models and makes, looking at other factors such as the engine size, condition, type and the model of the car. I think these other factors together with the things like mileage age and make all together contribute to the price of the car.  

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