A Student Wanted to Construct a 95% Confidence Interval for the Mean

question 52

Multiple Choice

A student wanted to construct a 95% confidence interval for the mean age of students in her statistics class. She randomly selected nine students. Their average age was 19.1 years with a sample standard deviation of 1.5 years. What is the best point estimate for the population mean?

• A)2.1 years
• B)1.5 years
• C)19.1 years
• D)9 years

---

Definitions:

Goal Oriented

A focus on setting and achieving objectives to accomplish specific aims.

Influence Process

The methods or techniques used to affect or shape the behavior, attitudes, or perceptions of others.

Senior Management

The top level of management who have the day-to-day responsibilities of managing a company or corporation.

Male Networks

Social or professional networks comprising primarily male members, which may influence opportunities and interactions within certain contexts.