A Type I error occurs when a researcher concludes that a treatment has an effect but,in fact,the treatment has no effect.
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Q39: A researcher administers a treatment to a
Q40: A researcher administers a treatment to a
Q41: In general,the null hypothesis states that the
Q42: In a research report,the notation p <
Q43: The alpha level determines the risk of
Q45: Most researchers would like the hypothesis test
Q46: If the research prediction is that the
Q47: If the sample data are in the
Q48: The null hypothesis states that the sample
Q49: If a hypothesis test leads to rejecting
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