Final answer:
On the six-category scale, a consumer satisfaction index (CSI) of 60 indicates that the customer is C) somewhat satisfied.
Step-by-step explanation:
A consumer satisfaction index (CSI) of 60 on the six-category scale typically indicates that the customer is somewhat satisfied. The scale ranges from strong agreement or satisfaction to strong disagreement or dissatisfaction. In this case, a CSI of 60 falls in the middle of the scale and suggests a moderate level of satisfaction.