Global data

Computing

Collect, store and analyse large volumes of data

Data to be analysed at a local level, it is still not possible to analyse data sets that collect global data

Store large volumes of data but data collection still needs to be done manually

In relation to data science, advances in technology has made it more feasible to do what?

Users' favourite actors/directors based on their viewing habits

Users' favourite genre based on their viewing habits

What data might a video streaming service collect?

To make decisions about what movies or TV shows they might commission

To make personalised recommendations to their customers about what movies or TV shows they might enjoy

To store and pass on to other companies without your permission

Which two of the following might be reasons why a video streaming service collect this data?

Data science is extracting meaning from large data sets in order to provide insights to support decision-making

Data science is performing experiments and recording the data produced by those experiments

Data science is using computers to analyse data and to perform calculations on the data to produce information

Data science is writing code to make sure that any inaccuracies in data sets are spotted and removed (cleaned)

Which of the following is the most accurate definition of data science?

A collection of graphs that tell a story when put together

A visual representation that communicates relationships among the data

Making sure that data is accessible and that no data is hidden

Presenting related data so that a user can see individual items of data

Which of the following best describes a data visualisation?