Which of the following describes a Type II error in the context of this study?

a. Finding convincing evidence that the true means are different for males and females, when in reality the true means are the same

b. Finding convincing evidence that the true means are different for males and females, when in reality the true means are different

c. Not finding convincing evidence that the true means are different for males and females, when in reality the true means are the same

d. Not finding convincing evidence that the true means are different for males and females, when in reality the true means are different

e. Not finding convincing evidence that the true means are different for males and females, when in reality there is convincing evidence that the true means are different

A study of road rage asked random samples of 596 men and 523 women about their behavior while driving. Based on their answers, each person was assigned a road rage score on a scale of 0 to 20. The participants were chosen by random digit dialing of phone numbers. The researchers performed a test of the following hypotheses:  versus .

Select the best answer.

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305 0.200 = 20.0% Ho : µM = HF %3D %3D 1526