Business, 20.10.2019 08:30 vdirectioner3847

Video arcades provide a vehicle for competition and status within teenage peer groups and are recognized as places where teens can hang out and meet their friends. the national pta organization, concerned about the time and money being spent in video arcades by middle school students, commissions a statistical study to investigate whether or not middle school students are spending an average of over two hours per week in video arcades. twenty communities are randomly chosen, five middle schools are randomly picked in each of the communities, and ten students are randomly interviewed at each school. what are the null and alternative hypotheses which the pta is testing?

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Video arcades provide a vehicle for competition and status within teenage peer groups and are recogn...

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