A Researcher Is Conducting a Study on Internet Use

question 28

Multiple Choice

A researcher is conducting a study on Internet use.He decides to first categorize the population by education level (high school, college graduate, advanced degree, etc.) and then survey a select number from each category.This sampling strategy is called ________________________ .

• A)Systematic
• B)Cluster
• C)Random
• D)Judgmental
• E)Stratified

Analyze the impact of output changes on different types of costs.

Understand the significance of economies of scale on long-run average cost.

Differentiate between total cost, variable cost, and fixed cost within the context of production.

Recognize the role of prospective sales levels in a firm's operational decisions.

---

Definitions:

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Scientific Method

A systematic methodology for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge based on empirical or measurable evidence subject to specific principles of reasoning.

Statistics

The science of collecting, analyzing, interpreting, and presenting empirical data to make informed decisions and predict outcomes.

Numerical Data

Data that consists of numbers, and can be quantified to perform mathematical calculations and statistical analysis.