For the following scenario Answer the following questions. Assume the data is from simple random samples and is normally distributed unless otherwise stated. 1. What are the variable(s) in the study? (include units) 2. What type of variable(s) are they? (Level of measurement) 3. What statistical test is most appropriate to use in analyzing the data given the information provided.

You want to know if your sample of 50 subjects have an average weight of 150 pounds with a standard deviation of 9 pounds.