Essay
A study at the public library in Highbrow City indicated that the number of visitors per week had a mean of 850 and a standard deviation of 70. A similar study at the public library in Podunk Township indicated that the number of visitors per week had a mean of 730 and a standard deviation of 50. In a contest during library week, the Highbrow City library attracted 990 people, while the library in Podunk Township attracted 840. Highbrow said they won because they not only had more people than Podunk, but they also had 140 extra people above the mean, while Podunk had only 110 extra people above their mean. How should Podunk respond?
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Podunk could refer to their z-score of 
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