Imagine You Compare the Effectiveness of Four Different Types of Stimulant

question 16

Multiple Choice

Imagine you compare the effectiveness of four different types of stimulant to keep you awake while revising statistics using a one-way ANOVA. The null hypothesis would be that all four treatments have the same effect on the mean time kept awake. How would you interpret the alternative hypothesis?

• A)All four stimulants have different effects on the mean time spent awake.
• B)At least two of the stimulants will have different effects on the mean time spent awake.
• C)None of the above
• D)Two of the four stimulants have the same effect on the mean time spent awake.

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