A random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 95% confidence interval for the true average age of all students in the university is

A. 24.6 to 25.4.
B. 24.5 to 25.5.
C. 23.0 to 27.0.
D. 20.0 to 30.0.


Answer: B

Business

You might also like to view...

A good company objective should be stated in measurable terms

Indicate whether the statement is true or false

Business

Discuss strategies for writing letters for claims and adjustments

What will be an ideal response?

Business

You are tasked with creating a brand new food product using a team of people who are unfamiliar with the product and do not know one another. The organizational structure of this group is very loosely defined. This is an example of ______.

A. an adaptive challenge B. a technical challenge C. a technical and adaptive challenge D. a non-challenge

Business

In a private trial, the referee is empowered by statute to enter a legally binding judgment

Indicate whether the statement is true or false

Business