Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

My task for this coursework is to statistically analyse the data given to me regarding Gary's used car sales. I shall begin with looking at the data. The following data was given to me. No. Price Price when New Age Make Mileage Engine Size 1 £6,970 £11,600 3 Ford 24,000 1.6 2 £3,350 £7,100 7 Peugeot 85,000 1.1 3 £3,995 £13,800 6 Ford 52,000 2.0 4 £5,300 £16,300 6 Vauxhall 70,000 2.0 5 £6,500 £8,700 3 Fiat 24,000 1.2 6 £1,500 £8,700 9 Vauxhall 82,000 1.6 7 £995 £8,500 9 Ford 102,000 1.8 8 £3,000 £10,400 7 Vauxhall 63,000 1.7 9 £7,495 £9,770 1 Vauxhall 8,000 1.4 10 £850 £7,540 10 Ford 124,000 1.6 11 £5,595 £11,000 4 Ford 41,000 1.6 12 £4,995 £9,880 3 Ford 34,000 1.4 13 £5,595 £14,000 4 Ford 55,000 1.6 14 £4,995 £11,500 4 Rover 40,000 1.4 15 £2,600 £12,000 7 Rover 82,000 1.6 16 £1,000 £6,200 10 Peugeot 119,000 1.1 17 £750 £5,100 11 Peugeot 96,000 1.0 18 £1,350 £9,140 8 Ford 108,000 1.6 19 £2,950 £17,750 8 Ford 96,000 2.9 20 £3,250 £9,990 7 Vauxhall 86,000 1.6 21 £5,650 £11,150 3 Vauxhall 34,000 1.6 22 £4,600 £7,300 2 Rover 17,000 1.1 23 £5,400 £7,300 1 Rover 11,000 1.1 24 £4,800 £7,300 1 Rover 26,000 1.1 25 £2,700 £13,000 5 Fiat 51,000 2.0 26 £11,000 £13,800 1 Peugeot 9,000 1.8 27 £2,800 £6,500 5 Fiat 43,000 1.0 28 £8,000 £21,000 4 Rover 142,000 2.3 29 £6,495 £8,800 2 Ford 23,000 1.3 30 £4,050 £8,400 4 Ford 48,000 1.3 31 £6,300 £10,300 2 Ford 26,000 1.3 32 £4,100 £8,900 4 Vauxhall 37,000 1.3 33 £6,600 £8,500 1 Vauxhall 9,000 1.3 34 £7,800 £10,500 1 Peugeot 13,000 1.4 35 £8,700 £16,000 3 Vauxhall 42,000 2.0 36 £2,000 £8,300 7 Peugeot 65,000 1.4 The first question, which occurred to me, was, is there any correlation between the difference between the price when new and the age. I expected there to be a positive correlation if there was one, showing that as the age went up, the drop in price from when the car is new and when it is re-sold increases. Below is a table of the Price differences and the age. No. Price Difference Age No. Price Difference Age 1 £4,630 3 19 £14,800 8 2 £3,750 7 20 £6,740 7 3 £9,805 6 21 £5,500 3 4 £11,000 6 22 £2,700 2 5 £2,200 3 23 £1,900 1 6 £7,200 9 24 £2,500 1 7 £7,505 9 25 £10,300 5 8 £7,400 7 26 £2,800 1 9 £2,275 1 27 £3,700 5 10 £6,690 10 28 £13,000 4 11 £5,405 4 29 £2,305 2 12 £4,885 3 30 £4,350 4 13 £8,405 4 31 £4,000 2 14 £6,505 4 32 £4,800 4 15 £9,400 7 33 £1,900 1 16 £5,200 10 34 £2,700 1 17 £4,350 11 35 £7,300 3 18 £7,790 8 36 £6,300 7 If you look at graph 1, you will see that I was wrong. There was no correlation between the price difference and...

To see the full version of this document, and 145,328 others