A researcher asks 20 people to take a sip of two different colas (first Coke and then Pepsi) and rate the flavor of both. In analyzing this data, how should the null hypothesis be stated? A) H₀: µ_D ≠ 0 B) H₀: µ_D = 20 C) H₀: Coke = Pepsi D) H₀: µ_D = 0

Question

Quizplus · Accepted Answer

The null hypothesis in this scenario should state that there is no difference in the flavor ratings between Coke and Pepsi, which is represented by stating the mean difference (µ) equals 0.

A Researcher Asks 20 People to Take a Sip of Two