Penicillin was administered orally to five different horses, and the concentration of penicillin in the blood was determined after five different lengths of time. The following data on x = elapsed time (in hours) and y = penicillin concentration (in mg/ml) appeared in the paper €œAbsorption and Distribution Patterns of Oral Phenoxymethyl Penicillin in the Horse€ (Cornell Veterinarian [1983]: 314€“323):

Construct scatterplots using the following variables. Which transformation, if any, would you recommend?

e. x and log(y) (values of log(y) are 0.26, 0, - 0.30, - 1, and - 1).

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4 1.8 1.0 0.5 0 0.1 a. x and b. Vx and y c. x and Vy d. Vx and V