In the following data, V represents a mean walking velocity and P represents the population size.We wish to know if we can predict the population size P by observing how fast people walk. Plot the data. What kind of a relationship is suggested? Test the following models by plotting the appropriate transformed data.

a. P = aV. ^b
b. P = a ln V.

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V 2.27 2.76 3.27 3.31 3.70 3.85 4.31 P 2500 365 23700 5491 14000 78200 70700 V 4.81 P 341948 4.90 49375 5.05 260200 5.21 867023 5.62 1340000 4.39 138000 4.42 304500 5.88 1092759