Asked by Jasmin Castaneda on Jul 07, 2024
Verified
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: µD ≠ 0
B) H0: µD = 20
C) H0: Coke = Pepsi
D) H0: µD = 0
Null Hypothesis
A statement of no effect or no difference, used as a baseline for statistical testing.
µ
The symbol µ (mu) commonly represents the population mean in statistics, which is the average value of a set of characteristics in a population.
- Acquire the knowledge to formulate the null and alternative hypotheses properly within various investigative scenarios.
Verified Answer
ZK
Zybrea KnightJul 08, 2024
Final Answer :
D
Explanation :
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.
Learning Objectives
- Acquire the knowledge to formulate the null and alternative hypotheses properly within various investigative scenarios.