Which metric is a good indicator of the performance of the virtual assistant?

A virtual assistant has been developed and deployed based on the Watson Assistant service. The assistant will support customers by answering FAQs (Frequent Answered Questions).

Which metric is a good indicator of the performance of the virtual assistant?
A . The Area Under the Curve (AUC)
B . Measure escalated calls using A/B testing
C . The Root Mean Squared Error (RMSE) of words
D . The F1 score of predicted intents in the Analytics tab

View Answer

Answer: B