Consumers Were Asked to "Rate" the Taste of Three Popular

question 14

Essay

Consumers were asked to "rate" the taste of three popular brands of yogurt that have been modified to include fibre. The data are shown in the table below. Are there differences in the results among the three brands?
a. What nonparametric method is appropriate for analyzing these data?
b. State the null and alternative hypotheses.
c. Perform the test and state your conclusion at α = 0.05.
d. If these data did satisfy the assumptions for performing ANOVA, what are the disadvantages of using this nonparametric method instead?

---

Definitions:

Hallucinogenics

Drugs that give rise to hallucinations.

Social Conventions

Established norms, behaviors, and rules that govern interactions within a society or group, facilitating social harmony and order.

Conventional Thought

A cognitive process that follows traditional or societal norms, often characterized by conformity and a tendency to accept established practices.

Formal-operational Thought

A concept in Piaget's theory of cognitive development, referring to the ability (typically from adolescence onwards) to think abstractly, logically, and systematically.