Final answer:
Regression analysis is used to analyze data collected using a conjoint analysis.
Step-by-step explanation:
The correct answer is d) Regression.
Conjoint analysis is a statistical technique used to determine how different features of a product or service affect consumer preferences. It involves presenting consumers with various combinations of product attributes and asking them to rank their preferences. The data collected from a conjoint analysis can be analyzed using regression analysis to estimate the importance of each attribute and predict consumer preferences.