Relationship between class year and frequency of drug use

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Calculate and interpret the appropriate statistical test to determine the relationship between the following two variables. Use the five-step model of hypothesis testing to draw conclusions at the .05 level of significance

Class

Frequency of Drug Use Freshman Sophomore Junior Senior

Never 16 8 30 28

1 or 2 20 25 22 10

> 2 17 40 15 8

Reference no: EM13112205

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