Title: Used car prices. Category:History / Asian History Details: Words: 4107 | Pages: 17.5 (approximately 235 words/page)
Used car prices.
Maths Coursework:
Aim:
The aim of my investigation in this maths coursework is to investigate the used car sales. I will need to investigate on these variables:
-The price of the cars
-The age of the cars
-The makes of the cars
-The cost when new of the cars
-The mileage of the cars
-The engine sizes of the cars
All the variables above are ratio variables (Numbers are used) except the makes of the cars, because that one is special and it's called nominal …showed first 85 words of 4107 total…
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…showed last 85 words of 4107 total…the brands. The average formula for all the brands has the error of around 1000, where as the each brand's formulae has 500 pounds of error. So I could conclude that each brands' model is much more accurate.
So it is the best to use the model function formula for each brand to get the most accurate results. But the predicted price may come out slightly faulty, but it would still be much more accurate than using the universal formula for all of the brands.
