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HLT 362 WEEK 1 TO 5 ALL DISCUSSION QUESTIONS

HLT 362 WEEK 1 TO 5 ALL DISCUSSION QUESTIONS

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HLT 362 WEEK 1 TO 5 ALL DISCUSSION QUESTIONS

Week 1 Dqs

1 – How could graphics and/or statistics be used to misrepresent data? Where have you seen this done?

2 – What are the characteristics of a population for which a mean/median/mode would be appropriate? Inappropriate?

Week 2 DQS

1 – Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented?

2 – How large would your population have to be for a sample to be appropriate (i.e., rather than measuring the whole population)?

Week 3 DQS

1 – Suppose you hear an “old-timer” say, “Why, in my day, kids were much more respectful and didn’t cause as much trouble as they do nowadays!” Formulate a hypothesis related to this statement that you could test. How would you test it?

2 – Researchers routinely choose an α-level of 0.05 for testing their hypotheses. What are some experiments for which you might want a lower α -level (e.g. 0.01)? What are some situations in which you might accept a higher level (e.g. 0.1)?

3 – Explain when a z-test would be appropriate over a t-test.

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