as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
calculate the mean of the following numbers: 11, 15, 13, 17 and 19
user
the mean of 11, 15, 13, 17, and 19 is 15.
assistant