You are working as an assistant to the dean of institutional research at your un

Question

You are working as an assistant to the dean of institutional research at your university. The dean wants to survey members of the alumni association who obtained their baccalaureate degrees 5 years ago to learn what their starting salaries were in their first full-time job after receiving their degrees. A sample of 50 alumni is to be randomly selected from the list of 1,000 graduates m that class If the dean's goal is to construct a 99% confidence interval estimate for the population mean starting salary, why is it not possible that you will be able to use the expression for this purpose Explain Why is it not possible to use the equation?

Explanation / Answer

OPTION B: The population standard deviation sigma is not known. [ANSWER]

***********************

Note that you only have a sample, so you only have s (Sample standard deviation) not sigma (population standard deviation).

Related Questions

Navigate

• Browse (All)
• Browse Y
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.