In: Statistics and Probability
A bank president claims that the median of debt-to-equity ratio of commercial loans provided is less than 5. A random sample of 15 commercial loans is selected with the following values for this ratio:
1.31 1.33 1.22
1.78 1.45 1.32
1.46 1.41 1.19
1.05 1.29 1.11
1.37 1.21 1.65
Use a Sign Test at the 0.05 level to test this claim. Do this by hand and not using Excel.