
+----------+-----+------+-----+------+
| $\sigma$ | cyl | disp | hp  | drat |
+==========+=====+======+=====+======+
| $\sigma$ | 6   | 160  | 110 | 3.90 |
+----------+-----+------+-----+------+
| 21       | 6   | 160  | 110 | 3.90 |
+----------+-----+------+-----+------+
| 22.8     | 4   | 108  | 93  | 3.85 |
+----------+-----+------+-----+------+
| 21.4     | 6   | 258  | 110 | 3.08 |
+----------+-----+------+-----+------+ 
