hypotheses testing, Biology

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.

1. 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

2. 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

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

Posted Date: 2/21/2013 2:27:58 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
Phytoflagellates – Protozoan Phytoflagellates are autotropbs that possess chlorophyll or other related pigments, and store food as fats, oils and starches (other than glycogen

Q. Dietary tips for hyperlipideinic patients? It is important to note here that the dietary modifications need to be individual in each patient and these should be tailored lo

Using Autonomous Transactions   The transaction is a sequence of SQL statements that does a logical unit of work. Frequently, one transaction starts the other. In several appl

Water Stress - Responses of Plants to Stress Water stress in a plant can result from drought, excess salinity in the soil and very low or high temperatures. It has been found

Cardiac Tamponade   Suspect cardiac tamponade if there is a sudden cessation of chest drainage during immediate post-operative period. The blood is getting collected i

how does hpv vaccine affect the immune system?

Proteins of Animal Origin - Egg Eggs:  Roughly, the chicken egg consists of 11% shell, 31% yolk and 58% white. Liquid whole egg consists of 65% white and 35% yolk. The primary

Effects on Ecosystem - Air pollutants The effects of pollutants on ecosystem become visible after a long period of exposure. In highly industrialised countries the vegetation

Define Dark Field Microscope In this microscope, condenser system is modified, so that only reflected and refracted light by specimen forms an image. Here, the object is bright

Explain Cardiac Type of TAPVC (Draining into Coronary Sinus) ? Initial steps of the operation are the same as described earlier. The right atrium is opened and the roof of the