31. Suppose that, in additional trials, each gravid frog had been exposed to the mean PRR and an alternative PRR of 140 Hz. The percent of frogs that would have moved to within 2.5 cm of the speaker playing the alternative PRR would most likely have been closest to which of the following?
Your Answer is
Correct Answer is B
Explanation
Corresponding to figure 2, when the abscissa alternative PRR is 140, the ordinate % is about 22%