Hypotheses testing, Basic Statistics

Assignment Help:

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?


Related Discussions:- Hypotheses testing

Driver''s test, what are commonly missed driver''s test questions?

what are commonly missed driver''s test questions?

Assignment , assume that your group is incorporating a business organizatio...

assume that your group is incorporating a business organization. you are required to present a detailed structure, business environment and organizational structure of the entity.

Index numbers, Geometric mean of index number of laspeyres and paasches = 2...

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.

Why do organisations need a structure, Question 1: (a) The grouping of ...

Question 1: (a) The grouping of organisational activities (usually into ‘departments' or larger ‘divisions') will be done in different ways. Outline the criteria which can be u

Cost accounting, wat is cost accounting and wats its scope ?

wat is cost accounting and wats its scope ?

Why Agency code is useful, Why Agency code is useful The four personality n...

Why Agency code is useful The four personality number code allocated by the Workplace of Economical Control to select the unique business models of condition. Organization requirem

Homework help, example of descriptive statistics in word form

example of descriptive statistics in word form

Recruitment process process map, What are the steps in a recruitment proces...

What are the steps in a recruitment process and who are responsible for each step?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd