A Random Sample of 20 Observations Is Selected from a Normally

question 47

Multiple Choice

A random sample of 20 observations is selected from a normally distributed population.The sample variance is 12.In the 95% confidence interval for the population standard deviation, the upper limit will be:

• A) 2.634.
• B) 2.750.
• C) 4.747.
• D) 5.060.

---

Definitions:

Resources

Natural, human, and capital assets used to produce goods and services.

Diminishing Returns

A principle stating that if one factor of production is increased while other factors are held constant, the incremental output gained will eventually decrease.

Study Time

The amount of time allocated towards learning or academic activities outside formal teaching sessions.

Learning Process

A complex activity involving the acquisition of knowledge, skills, behaviors, or values, often through study, experience, or teaching.