Handling Data

Question 1

What enables data sharing whilst preserving privacy?

Answer 1

Pseudonymisation and Anonymisation

Question 2

What is anonymisation?

Answer 2

This is the removal of all personal identifiers (direct and indirect) which may lead to an individual being identified.
This means there is PERMANENT removal of all links.

Question 3

What is pseudonymisation?

Answer 3

This the processing of data so that it can’t be linked too specific data subjects without ‘additional information’.
‘Additional information’ must be kept separately and protected.

Question 4

How do you check data?

Answer 4

Data Verification

Data Validation.

Question 5

What is Data Verification?

Answer 5

Questions whether the data inputted is accurate.

Question 6

What is Data Validation?

Answer 6

Questions whether the data is reasonable when compared against a set of rules.

Question 7

What is a normal distribution?

Answer 7

Creates a bell - shaped curve.
Mean and Median are equal + centred in the middle of the distribution.
Predictable data falls within 1,2 and 3 standard deviations of the mean.

Question 8

What describes the normal distribution?

Answer 8

Described by the mean and standard deviation.

Question 9

What is variance?

Where is the greatest variance?

Answer 9

How far a data set is spread out.

Greatest variance is on the outskirts of the bell - shaped curve.