HYPOTHESIS TEST FOR A MEAN

You are interested in determining if smokers have a BMI that is greater than non-smokers.

  1. Explain which hypothesis test would be appropriate for this situation. Assume population variances are not known, sample variances are not equal, and alpha=0.05.
  2. Explain if the test is a left-, right-, or two-tailed test. Justify your choice.
  3. Complete a hypothesis test in Excel to test your claim. Be sure to include the results from the data analysis tool pack test.
  4. Write a conclusion statement that makes use of Excel data to justify which hypothesis is supported and why.
  5. State your decision in the context of the research question: Do smokers have a BMI that is greater than nonsmokers?
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