Question: Gastric freezing. Example 3.19 describes an experiment that helped end the use of gastric freezing to treat ulcers. The subjects were 160 ulcer patients. (a)

Gastric freezing. Example 3.19 describes an experiment that helped end the use of gastric freezing to treat ulcers. The subjects were 160 ulcer patients.

(a) Make a diagram to outline the design of this experiment, using the information in Example 3.19. (Show the size of the groups, the treatment each group receives, and the response variable. Figures 3.6 and 3.7 are models to follow.)

(b) The 82 patients in the gastric-freezing group are an SRS of the 160 subjects.

Label the subjects and use Table B, starting at line 121, to choose the first 5 members of the gastric-freezing group.

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