This pre-assessment will make use of the BODY DATA Excel file created in ST3001. Comparing BMI by smoking status You are interested in determining if smokers have a BMI that is greater than nonsmokers.

1. Explain which hypothesis test would be appropriate for this situation (assume population variances are not known and sample variances are not equal).

2. Explain whether this is a left-tailed, right-tailed, or two-tailed test and justify your choice.

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