Hafen alternative hypothesis

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Dr. Hafen is doing research on the effects of alcohol on memory. He hypothesizes that the amount of alcohol one consumes will impact an individual's ability to remember specific pieces of information. Then Dr. Hafen collects data on 500 people. He sorts them into groups where one group drinks 4 beers and the other group drinks 0 beers. He then reads them information from a story and asks them questions about the story 5 minutes later.

Explain briefly, please describe what Dr. Hafen's null hypothesis would be for the relationship of (alcohol and memory) and what Dr. Hafen's alternative hypothesis would be. If Dr. Hafen makes a Type I error, what would that mean in the context of this study? If he makes a Type II error, what would that mean in the context of this study?

Reference no: EM133285667

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