STATISTICS 325 A researcher is interested in the effects of sleep

| June 13, 2018

A researcher is interested in the effects of sleep deprivation and caffeine intake on mood. Participants were randomly assigned to a sleep condition (normal or deprived) and a caffeine condition (0 cups, 2 cups, or 4 cups). After the manipulations, mood was measured (such that higher numbers indicated better mood). The results were as follows: Normal condition Deprived condition 0 cups 2 cups 4 cups 0 cups 2 cups 4 cups 16 18 18 0 5 6 17 20 17 6 4 8 20 20 17 3 4 6 19 19 17 2 2 7 18 18 16 4 5 8Analyze these data using a factorial analysis of variance and including R² for each effect

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