D1 - Data

Question 1

Discrete Data

Answer 1

Data that is counted.

For example, the number of days you walk to college in a week

Question 2

Continuous Data

Answer 2

Data that is measured.

For example, the time it takes you to walk to college

Question 3

Qualitative Data

Answer 3

Non-numerical tat describes a quality.

For example, a brick manufacturer might describe a brick by its colour or roughness

Question 4

Quantitative Data

Answer 4

Numerical Data.

For example, the brick manufacturer might describe bricks by their mass or the number of bricks needed to build a house.

Question 5

Primary Data

Answer 5

Data that comes directly from first hand experience.
For example, data collected through direct surveys, observations, or interviews with the subjects of the data.
(Expensive and time consuming)

Question 6

Secondary Data

Answer 6

Data that already exists or has been processed.
For example, data from the office for national statistics.
(Cheap and easy to obtain but might be outdated/unknown source->bias)

Question 7

Independent Variable

Answer 7

What you change.

Question 8

Dependent Variable

Answer 8

What you measure.