d) g) h) j) Construct parallel boxplots to compare the calorie distribution of the rural vs. the urban students. Verify whether or not there are outliers in either data set. Describe how a researcher might use schools as clusters to gather data in a given county. One researcher observed that rural students ate more home cooked meals than urban students. A journalist wrote an article stating that home cooked meals caused an increase in calorie intake. Describe a confounding variable that may be the cause of the higher calorie intake in rural students. Describe how you would use your calculator and a list of 9th grade students om your school to conduct a simple random sample. Include a description of how you would implement your procedure. Describe one variable that might be important to create strata and why you chose that variable. What inference procedure would you use to compare the two groups