Celia is a nurse in a geriatric ward. She noticed that older persons in her care are having problems sleeping at night. She decided to introduce non-pharmocologic ways of relaxation, specifically, music therapy, massage therapy and aromatherapy. The results below show the number of hours of uninterrupted sleep of the older persons after each intervention.
|
Older Person#
|
Music therapy
|
Massage therapy
|
Aromatherapy
|
|
1
|
8
|
10
|
6
|
|
2
|
6
|
12
|
7
|
|
3
|
7
|
8
|
8
|
|
4
|
9
|
9
|
7
|
|
5
|
8
|
9
|
7
|
|
6
|
8
|
9
|
6
|
|
7
|
7
|
8
|
5
|
|
8
|
6
|
10
|
6
|
|
9
|
5
|
9
|
8
|
|
10
|
6
|
6
|
7
|
|
11
|
7
|
8
|
7
|
|
12
|
8
|
9
|
4
|
|
13
|
10
|
12
|
5
|
|
14
|
8
|
8
|
6
|
|
15
|
9
|
9
|
6
|
Questions
1. What do you think is the appropriate sampling technique? Justify your answer.
2. Conduct a hypothesis testing if she were comparing music and aromatherapy. Show the step-by-step process of hypothesis testing including the choice of statistical test. Be guided by the examples in your N298 module
- Null and alternative hypotheses
- Level of significance
- Test-statistic
- Critical region
- Computation of test-statistic
- Decision
- Conclusion
3. Conduct a hypothesis testing if she were comparing the three relaxation techniques. Show the step-by-step process of hypothesis testing including the choice of statistical test. Be guided by the examples in your N298 module
- Null and alternative hypotheses
- Level of significance
- Test-statistic
- Critical region
- Computation of test-statistic
- Decision
- Conclusion
4. Write your conclusion and recommendations for the study after knowing the results of the hypotheses testing?