When the Research Hypothesis Is True, the Means of the Samples

question 69

Multiple Choice

When the research hypothesis is true, the means of the samples are spread out for what reason(s) ?

• A)Because of variation within each of the populations (due to unknown chance factors)
• B)Because of variation among the means of the population (a treatment effect)
• C)Because of variation in the level of significance set by the experimenter
• D)Both A and B

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