Consider the following data on resting energy expenditure (REE, in calories per day) for eight subjects both

Question:

Consider the following data on resting energy expenditure (REE, in calories per day) for eight subjects both while on an intermittent fasting regimen and while on a standard diet (“Intermittent Fasting Does Not Affect Whole-Body Glucose, Lipid, or Protein Metabolism,” Amer. J. of Clinical Nutr. 2009: 1244–1251):

Let μ̃_D= true median difference in REE (IF minus standard diet). Test the hypotheses H₀: μ̃_D= 0 versus H_a: μ̃_D< 0 at the .05 significance level using the sign test.