Encoding Data

Question 1

Give an example of encoding data

Answer 1

GB= Great Britain
D= Germany
IRL= Ireland
F= France

Question 2

Describe the problems with encoding data

Answer 2

1. Coarsening data may lead to loss of precision if dark brown, soused brown and light brown are all classed as brown
2. Limited choice leading to less accurate data so may not be enough r categories when representing eye colour or age groups
3. Valued judgements can lead to inconsistency for example if asked was the meal excellent very good or good one persons good may be very good for another.

Question 3

Why is data encoded

Answer 3

1. It saves time
2. Fewer transcription errors
3. Less hard disk space required
4. Processing is faster