Question: After surviving a traumatic event, one student decided it was time to reevaluate her life. She first wanted to explore the amount of time she

 After surviving a traumatic event, one student decided it was time

After surviving a traumatic event, one student decided it was time to reevaluate her life. She first wanted to explore the amount of time she spent on her phone, which she hypothesized was over 7 hours a day. The alternate hypothesis she would use is Ho : M > 7. Does this study have grouping variable? yes no If so, what is it and what are the levels

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