Section A (100 marks)
Answer all questions in this section.

Question 1
Customer churn, also known as customer turnover, occurs when customers cease using the services provided by a company. The data set “Churn_ECA.xlsx” contains information about the telephone company’s customers, including demographics, account details, subscribed services, and a binary indicator denoted as “Churn”, which indicates whether a customer has left the service within the last month. The accompanying “Glossary” sheet provides descriptions of the variables used in the dataset.

Question 1a
Identify one (1) business question that can be addressed by analysing the data. Elaborate on the pertinent data fields and how they can provide insights to address the question. Construct an influence chart relevant to the issue. (Max word count: 150
words)