Data science is the field of using data to find patterns, make predictions, and help solve problems.

• Healthcare – tracks patient records and predicts disease outbreaks

• Education – helps schools understand pupil progress and plan support

• Transport – used to plan bus routes and reduce traffic jams

• Shopping – shows what products are popular and helps manage stock

• Social media – suggests content based on what users like and share

Big data refers to extremely large datasets analysed to reveal patterns. It is used to spot patterns, make predictions and make decisions.

• Online shopping – personalised advertising to suggest new products

• Streaming services – uses viewing data to recommend shows and movies

• Weather forecasting – analyses data from satellites to predict storms

• Healthcare – combines patient data to spot trends in illnesses

• Social media – monitors likes and shares to show popular content

• Transport apps – uses location data to suggest faster routes

• Personalised advertising – shows adverts based on your searches and interests