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"Used Cars" Statistics Coursework

Extracts from this document...

Introduction

Maths – Handling Data Coursework

Used Cars

Plan & Introduction

In my data handling coursework, used cars. I am going to investigate the effects of used car selling prices. I will do this by putting the data in to a scatter graph. With the data I am going to determine whether my hypotheses are right. If not I will then try to discover the problem.

My data will be collected completely

...read more.

Middle

16385

3335

7

22000

79

Subaru

Forester

16945

4550

9

50000

83

Land Rover

Discovery

30805

8715

7

43000

94

Seat

Cordoba

9995

1570

8

38000

99

Suzuki

Alto

6700

1120

9

57000

103

Toyota

Supra

41500

7730

11

52000

108

Ford

Fiesta

13520

2330

8

12500

112

Vauxhall

Tigra

11675

2025

11

90000

113

Ford

Cougar

19990

4470

8

10000

120

Nissan

Almera

13075

9075

2

90000

128

Subaru

Impreza

13950

6130

6

15000

134

Ford

Galaxy

18745

3885

11

10000

142

...read more.

Conclusion

The two outliers are Mercedes. This leads me to conclude that Mercedes is more expensive. This could be because it is a business car.

Car

Price

Age

Make

Price

no.

Used

Used

6

4340

4

Suzuki

4340

20

755

11

Ford

755

22

7100

6

Audi

7100

30

24435

4

Mercedes

24435

33

1560

9

Seat

1560

43

1920

8

Mazda

1920

49

17595

5

Mercedes

17595

image01.png

My Results show no correlation; this would lead me to conclude that mileage has no effect on the selling price. I have repeated this scatter graph with a different sample of data and there was still no correlation.

Price Depreciation for Age & Mileage

image02.png

image03.png

...read more.

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