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STAT 250 STAT 250

STAT 250 - PowerPoint Presentation

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Uploaded On 2016-02-24

STAT 250 - PPT Presentation

Dr Kari Lock Morgan Collecting Data Randomized Experiments SECTION 13 Randomized Experiments Exercise and the Brain A study found that elderly people who walked at least a mile a day had significantly higher brain volume gray matter related to reasoning and significantly lower rates of ID: 229383

randomized placebo effect treatment placebo randomized treatment effect experiments study men surgery group sildenafil experiment control clinical trials sample randomly exercise researchers

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