Marijuana was recently legalized in Canada A recent study reported that at low doses marijuana could have antidepressant effects but at high doses, it has opposite effect A researcher at a major Canadian university conducted a survey in which she asked people how much marijuana they consumed (number of joints per week) and how depressed they were (measured on Beck Depression Inventory This test gives a score between 0 and 63 with higher scores corresponding to higher levels of depression) The results showed that that for the number of joints that people smoked per week, the average was 374 and the standard deviation was 147 For their results on the depression test, the average was 1932 and the standard deviation was 318 Were students more variable in their marijuana consumption or in their levels of depression Provide an explanation for your findings You may need to show work along with your explanation for full points

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Standard deviation is the square root of variance The following information is gi... View the full answer