i beed this assap   Scenario 1:  A researcher is examining the...

i beed this assap

Scenario 1: 

A researcher is examining the effects of a treatment to stop smoking. The researcher uses two randomly selected groups of 40 participants each, one that receives the treatment to stop smoking and one that receives a placebo. The researcher is examining the average amount of cigarettes the participants smoke per week before and after the treatment. The preliminary results show that both groups were normally distributed. 

1. What is the n value in this study? __________ 

2. What is the dependent variable in this study? _____________________________________________________________

3. What is the null hypothesis of this study? _____________________________________________________________

3. What test do you suggest the researcher use for this study? _____________________________________________________________

4. Explain why you selected that test. __________________________________________________________________________________________________________________________

5. What does this type of test examine (means, medians, frequencies, or variance)? __________________

Scenario 2: 

A researcher is examining people's perceptions of mental health services provided at Baptist Hospital, Jackson Memorial Hospital, and Mount Sinai Hospital. The researcher asks 5,000 randomly selected participants to rank their perceptions of these services on a scale from 1-10 (1 being very poor and 10 being very good). The research question is: Is there a difference in perceptions of mental health services provided by Baptist, Jackson Memorial, and Mount Sinai? 

6. What is the n value in this study? __________ 

7.  What is the dependent variable in this study? _______________________________________________________

8. What level of measurement does this study use (interval, ordinal, or nominal)? ____________________________________________________

9. What test do you suggest the researcher use for this study? _____________________________________________________________

10. Explain why you selected that test. __________________________________________________________________________________________________________________________

11. What does this type of test examine (means, medians, frequencies, or variance)? __________________