1. Set up 3-sigma control limits with the given data.

2. Is the process in control? Why?

3. Based on your analysis, do you think the problem is the new computer system or something else?

4. What advice would you give to Larraine based on the information that you have?

Scharadin Hotels is a national hotel chain started in 1957 by Milo Scharadin. What started as one upscale hotel in New York City turned into a highly reputable national hotel chain. Today, Scharadin Hotels serves over 100 1ocations and is recognized for its customer service and quality. Scharadin Hotels are typically located in large metropolitan areas close to convention centers and centers of commerce. They cater to both business and non-business customers and offer a wide array of services. Maintaining high customer service has been considered a priority for the hotel chain.