Answer:
The correct answer is At least two of the stimulants will have different effects on the mean time spent awake.
Explanation:
The null hypothesis exposed leads to consider an alternative hypothesis that differs from the behavior of the 4 stimulants. In this case it is related to the effects on patients, since in practice at least one will present differences compared to the others, influencing the sleep time of consumers.
Broken yellow b/c you can’t pass on a double solid yellow
Answer:
Detailed working is shown
Explanation:
The attached file shows a detailed step by step calculation..