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
How has quantitative analysis changed the current scenario in the management world today?

An internal report issued by the marketing manager of a oil-change franchise claims that the mean number of miles between oil changes is for franchise customers is at least 3600 mi

(Penney’s game) Independent flips of a biased coin that lands on heads with probability 0.7 are made. Each of two players, A and B, had chosen one out of the eight triplet: {HHH, H

frequency distribution

Introduction of Management Accounting Management accounting or managing sales is worried with the conditions and use of sales details to professionals within companies, to off

Elaborate bond issue A reference indicating the exacting or different classification or quantity of bonds issued at a specified moment.


How will the adoption of IFRS change financial reporting by companies? Manager 1: The new rules will definitely change the way our organization prepares financial statements.

.A study of long term phone calls made from general electricss corporate headquarters in fairfeild, conneticuit, revealed the length of the calls, in minutes follows the normal pro

How does the t-distribution changes its shape with the change of the size of the sample?