Conduct a hypothesis testing, Applied 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. (1 point)

 

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 (6 points)

  • Null and alternative hypotheses
  • Level of significance
  • Test-statistic
  • Critical region
  • Computation of test-statistic
  • Decision
  • Conclusion

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  (6 points)

  • Null and alternative hypotheses
  • Level of significance
  • Test-statistic
  • Critical region
  • Computation of test-statistic
  • Decision
  • Conclusion

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

Posted Date: 2/28/2013 3:19:11 AM | Location : United States







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

Write discussion on Conduct a hypothesis testing
Your posts are moderated
Related Questions
Collect data about the chosen business problem or opportunity at the company. Explain how you obtained a suitable sample of either qualitative or quantitative data. Review data f

Suppose that in the actual survey of 50 prospective customers, 6 subscribe to the 3 for all offer, what does this tell you about the previous estimate of the proportion of customer

1) Suppose you want to test a hypothesis that two treatments, A and B, are equivalent against the alternative that the response for A tend to be larger than those of B. You plan to

Arithmetic Average or Mean The arithmetic mean is the most widely and the most generally understandable of all the averages. This is clear from the reason that when the term

Index Number Meaning and Definitions of Index Number The index numbers are the special type of averages which are presented in percentages and computed on certain base.

The investor has constant wealth 1 and is o?ered to invest in shares of a project that either gains 3=2 or loses 1 with equal probabilities. Therefore, if the investor obtains sha

what are the challenges affecting population census in developing countries

Rank Correlation Sometimes the characteristics whose possible correlation is being investigated, cannot be measured but individuals can only be ranked on the basis of the chara


in a normal distribution with a mean of 85 and a STD of 5, what is the percentage of scores between 75 and 90?