A random sample of 15 adults living in a small town were
Chapter 16, Problem 16.23(choose chapter or problem)
A random sample of 15 adults living in a small town were selected to estimate the proportion of voters favoring a certain candidate for mayor. Each individual was also asked if he or she was a college graduate. By letting Y and N designate the responses of yes and no to the education question, the following sequence was obtained:NNNNYYNYYNYNNNNUse the runs test at the 0.1 level of signicance to determine if the sequence supports the contention that the sample was selected at random.
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