A production system has three workstations in sequence - raw material is taken to the first workstation, its output to the second, its output to the third, and the output of the third worksation is taken to the finished goods inventory.

The first workstation can handle 24 units per day, the second 28, and the third 33.

What is the average output per day that we can get from this system?

A product specification for a critical measurement is 120 +/- 0.2 millimeters.

What is the length of the specification interval?

Given a sample of measurements 25, 25, 25.1, 24.7, and 25, what is the sample mean?

(in your answer, please provide two decimal places)

Given a sample of measurements 24.9, 25.5, 24.4, 25.3, and 24.6, what is the sample range?

(in your answer, please provide one decimal place)

You visit a factory, and find that the factory floor is poorly organized, with materials and parts stored at random. To improve the quality of work, what specific quality tool would you recommend?

Explain briefly why good quality is good ethics. (Two to four lines would be enough, bullet points are fine)