Investigate the prices of second hand cars and the factors that may affect the price.
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MY PLAN I am going to investigate the prices of second hand cars and the factors that may affect the price. These factors could come from a last list including mileage, engine size, age of vehicle, months of MOT and how much tax there is on the car. I shall analyse this data so that I can decide which factor has the biggest affect on a car's price. I will use graphs and charts to help with my explanation. COLLECTING THE DATA From a list of 100 cars I decided to do a selective sample of 20%, so I chose every fifth car as this will be a good spread. 20% should be a good sample size because there will be a good spread of data and, therefore, I should get accurate results. This will only be a rough test to see if the cars are close enough in similarity for me to draw...


