Hypotheses testing, Basic Statistics

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

  1. Null and alternative hypotheses
  2. Level of significance
  3. Test-statistic
  4. Critical region
  5. Computation of test-statistic
  6. Decision
  7. 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 

  1. Null and alternative hypotheses
  2. Level of significance
  3. Test-statistic
  4. Critical region
  5. Computation of test-statistic
  6. Decision
  7. Conclusion

4. Write your conclusion and recommendations for the study after knowing the results of the hypotheses testing?

Posted Date: 2/27/2013 5:11:00 AM | Location : United States







Related Discussions:- Hypotheses testing, Assignment Help, Ask Question on Hypotheses testing, Get Answer, Expert's Help, Hypotheses testing Discussions

Write discussion on Hypotheses testing
Your posts are moderated
Related Questions
the monthly income( in tk''s)persons workingin afarmis as flows ,14870,14930,15020,14460,14750,14920,15720,15160,14680,14890 find average monthly income?


I need help with mystatlab assignment, can anyone assist me?

IASB -International Accounting Standards Board : IASB is an independent body based in London, which is responsible for setting accounting standards. IASB started operations in the

writing a Introduction on Metaphor

Model 1:  Let's consider the logistic regression model, which we will refer to as Model 1, given by log(pi / [1-pi]) = 0.25 + 0.32*X1 + 0.70*X2 + 0.50*X3

Geometric mean of index number of laspeyres and paasches = 229.5468 , while sum of their index number=480 find out laspeyre''s and paasche''s indices.

What is Agency financial reporting system (afrs) The state-wide sales system managed by the Workplace of Economical Control. AFRS is the condition of Washington''s established sa

#This is a chance to perhaps incorporate some of your experience, interests, and career business/management goals and ambitions within the context of an individual project paper.