One Thousand Researchers Each Take Random Samples of 1,000 Americans

question 31

Multiple Choice

One thousand researchers each take random samples of 1,000 Americans and ask their age. The sampling distribution has a standard error of 0.5 years. If the true average age of the population is 38, what percent of the researchers will get an average sample age between 36.5 and 39.5 years?

• A) 38%
• B) 68%
• C) 95%
• D) 99.7%

---

Definitions:

Positive Relationship

A correlation where two variables move in the same direction, meaning that as one variable increases, the other also increases.

Pablo Picasso

A Spanish painter, sculptor, printmaker, and influential artist of the 20th century, known for co-founding the Cubist movement.

Derived Demand

The demand for a resource that depends on the demand for the products it helps to produce.

Stock Options

Financial derivatives that grant the holder the right, but not the obligation, to buy or sell a stock at a specified price within a certain time frame.