The article “Production of Gaseous Nitrogen in Human Steady-State Conditions” (J. of Applied Physiology, 1972:

155–159) reports the following observations on the amount of nitrogen expired (in liters) under four dietary regimens:

(1) fasting, (2) 23% protein, (3) 32% protein, and (4) 67%

protein. Use the Kruskal-Wallis test at level .05 to test equality of the corresponding mi

’s.1.

4.079 4.859 3.540 5.047 3.2982.

4.368 5.668 3.752 5.848 3.8023.

4.169 5.709 4.416 5.666 4.1234.

4.928 5.608 4.940 5.291 4.6741.

4.679 2.870 4.648 3.8472.

4.844 3.578 5.393 4.3743.

5.059 4.403 4.496 4.6884.

5.038 4.905 5.208 4.806