Your high school freshman class consists of 528 students. In recent years, only 5 out of 12 students actually
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Using the coefficient of variation, it is found that students were more variable in their marijuana consumption.
<h3>What is the coefficient of variation of a data-set?</h3>The coefficient of variation of a data-set is given by the <u>division of the standard deviation of the data-set by the mean of the data-set</u>. The higher the coefficient, the more variable the data-set is.
In this problem, for marijuana consumption, the average was 3.74 and the standard deviation was 1.47, hence:
For depression levels, the average was 19.32 and the standard deviation was 3.18, hence:
Due to the higher coefficient, students were more variable in their marijuana consumption.
To learn more about the coefficient of variation, you can take a look at brainly.com/question/26420974