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2.  A hospital introduces AI-powered chatbots like Woebot to help patients with mental health by
                  tracking emotions and suggesting coping exercises. How can AI-powered healthcare applications
                  like Woebot benefit patients? What are the advantages of using AI in diagnosing and treating
                  mental health conditions?
              3.  Nia’s bank uses a chatbot to answer her questions and help with her account. How does AI help
                  this chatbot provide answers? Explain how the chatbot uses AI to understand and respond to
                  Nia’s questions.

              4.  An online retail company wants to predict which products are popular with its customers and
                  implement  a cashierless checkout  system.  How can AI improve  the  company’s  e-commerce
                  experience?
              5.  A city introduces smart street lights and parking sensors to improve energy usage and reduce
                  traffic congestion. AI technologies integrate with the city’s infrastructure to enhance public services.
                  Explain how AI contributes to the functionality of smart cities. What are some key benefits of AI in
                  smart city initiatives?


              Chapter 9: Introduction to SDGs and Data Science


              1.  A company deals with data from different sources like spreadsheets, emails, and social media
                  posts. The data from spreadsheets is highly organised, while social media posts and emails lack
                  a fixed structure. How should the company handle each type of data to extract useful insights?
              2.  A retail company wants to track the purchasing patterns of millions of customers from various
                  sources,  including  social media,  web  browsing  history,  and in-store  purchases.  Why  would
                  the company need to adopt big data technologies to process this information instead of using
                  traditional database systems?

              3.  A company wants to use data science to optimise its supply chain. They hire a data scientist to
                  manage this process. What specific tasks would the data scientist perform to analyse supply
                  chain data and provide actionable insights for the company?


































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