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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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