How can interval procedure be applied at the workplace in the situation?

refer to the links

Web site:

• https://www.mathsisfun.com/data/confidence-interval.html
• https://mathbitsnotebook.com/Algebra2/Statistics/STmarginError.html

Case scenario.

• At the workplace, you are the research team leader.
• The Boss wants your team to collect data to establish a confidence interval for a situation at work.