After Calculating the Marginal Means in the Table Below, Which

question 14

Multiple Choice

After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant)

• A) gender
• B) crime area
• C) both gender and crime area
• D) neither gender or crime area

---

Definitions:

Input-Based Format

A system or method that focuses on the resources or efforts put into a task or project, rather than the outcomes or results.

Direct Index Approach

A method used in economics and finance to directly measure price changes over time, often applied in the calculation of inflation or in indexing investment performance.

Delivery Truck Driver

A professional who operates trucks to transport goods and packages to various destinations.

Friendliness

The quality of being friendly; exhibiting warmth and approachability in interactions with others.