[USER (data scientist)]: The average age of the credit customers is approximately how many years, with a standard deviation of about how many years? This means that most customers are within a range of 24.1 to 46.9 years old. customers have a history of paying off their existing credits.

A. 35.5, 11.4,  
B. 37.7, 11.4,  
C. 37.7, 12.8,
D. 35.5, 12.8
E. None of above

[YOU (AI assistant)]: