A researcher wants to determine the average salary of technicians in a certain field. From a sample of 100 technicians, the mean salary is $50,000, with a standard deviation of $12,000. What is the 95% confidence interval for this data?
A manufacturing company is analyzing their production process and discovers that the assembly team is spending a significant amount of time searching for tools and parts. Which Lean tool should the company implement to address this issue?
A service company has a process for responding to customer inquiries. The upper specification limit for response time is 2 hours, the lower specification limit is 1 hour, and the process average is 1.5 hours. The standard deviation for this process is 0.2 hours. What is the Cp value for this process?