Regression Analysis:

Regression analysis is a statistical technique used to examine the relationships between a dependent variable (e.g., lottery ticket sales) and one or more independent variables (e.g., advertising, potential payouts, size of lottery cards).

This method helps quantify the extent to which each variable impacts sales.

Explanation of Answer Choices:

A. Content analysis: Incorrect. This method is used to analyze qualitative data (e.g., text or media) rather than numerical relationships.

B. Cost-benefit analysis: Incorrect. This technique evaluates the costs and benefits of a decision but does not identify the relationships between variables.

C. Regression analysis: Correct. This technique determines the impact of multiple variables on a single outcome.

D. Narrative analysis: Incorrect. This is used to analyze stories or qualitative information, not numerical data.