A researcher wished to determine if teenagers in Las Vegas spent more than an average of 3 hours per day on their cell phones.A survey was conducted and results from 1000 teenagers in Las Vegas revealed their average time spent on the phone daily was 3.1 hours with a standard deviation of 45 minutes.

• What is the dependent variable in this study?
• What level of measurement is the dependent variable in this study?
• Which statistical test should be used to analyze the data?
• What would be the null hypothesis for his study?
• What would be the alternate hypothesis for this study?
• Is this a one or two-tailed hypothesis?
• What would be the value of the t statistic?
• What would be the p value?
• Would we reject the null hypothesis at alpha = .05?
• Based on the results of this study, what would be the researchers' conclusion?