When We Test Differences Between the Mean Scores of Two

question 12

Multiple Choice

When we test differences between the mean scores of two unconnected groups,which statistical techniques should we select?

• A)regression
• B)analysis of variance
• C)independent-samples t-test
• D)dependent-samples t-test

---

Definitions:

Licensed Vendors

Businesses or individuals who have been granted official permission to sell goods or services, often within a particular jurisdiction or for a specific product.

Economic Practice

A system or set of methods followed in the management and administration of economic affairs.

Price Difference

The disparity in the cost between two related goods, markets, or time periods.

Long-run Equilibrium

A state in which all factors of production and outputs are variable, leading to a situation where all firms in a market are making normal profit.