A Statistics Teacher Taught Introductory Statistics to a Large Lecture

question 7

Multiple Choice

A statistics teacher taught Introductory Statistics to a large lecture class of 200 students. She wanted to calculate the average of the first examination by selecting every eighth student's test score and finding the
Average of these scores. What type of sampling technique is being employed?

• A) stratified sampling
• B) random sampling
• C) cluster sampling
• D) systematic sampling

---

Definitions:

Increasing Opportunity Costs

A situation where increasing production of one good requires larger and larger sacrifices in the production of another good due to limited resources.

Unemployment Rate

The ratio of the complete labor pool that is jobless yet is in active pursuit of employment and prepared to work.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen over others.

Double Feature

The showing of two films for the price of one in a movie theater, traditionally a practice in the mid-20th century.