Ritz-Carlton Hotel Company Uses Which One of the Following Methods

Multiple Choice

Ritz-Carlton Hotel Company uses which one of the following methods to control quality?

A) R-bar and x-bar control charts to monitor customer complaints.
B) The 1:10:100 rule for goods quality only
C) Self-control of the individual employee based on their spontaneous behavior.
D) The process capability index for all goods and services provided by the hotel.