In an experiment to study the way in which different anesthetics affect plasma epinephrine concentration, ten dogs were selected and concentration was measured while they were under the influence of the anesthetics isoflurane, halothane, and cyclopropane (“Sympathoadrenal and Hemodynamic Effects of Isoflurane, Halothane, and Cyclopropane in Dogs,”

Anesthesiology, 1974: 465–470). Test at level .05 to see whether there is an anesthetic effect on concentration.

Group 1 262 307 211 323 454 339 304 154 287 356 Group 2 465 501 455 355 468 362 Group 3 343 772 207 1048 838 687 Blocks 123 4 5 A 37.1 31.8 28.0 25.9 25.5 B 33.2 25.3 20.2 20.3 18.3 C 58.9 54.2 49.2 47.9 38.2 D 56.7 49.6 46.4 40.9 39.4 Dog 123 4 5 Isoflurane .28 .51 1.00 .39 .29 Halothane .30 .39 .63 .38 .21 Cyclopropane 1.07 1.35 .69 .28 1.24 6 78 9 10 Isoflurane .36 .32 .69 .17 .33 Halothane .88 .39 .51 .32 .42 Cyclopropane 1.53 .49 .56 1.02 .30