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

Define payroll withholdings, Define Payroll Withholdings The U. S. earn...

Define Payroll Withholdings The U. S. earnings tax system-as well as most condition earnings tax systems-requires business employers to hold paycheck taxation from their staff'

How can do entry, mr.sunil join as a new business partner and borrowed rs. ...

mr.sunil join as a new business partner and borrowed rs. 850000 from ansul investment co. and depoisted the money into a uti bank account on 1-4-2006.

Management accounting ratio, Management Accounting Ratio A financial rat...

Management Accounting Ratio A financial ratio in management (or accounting ratio) is a relative magnitude of two types of selected numerical values taken from an enterprise''s

What is a purchase discount, What is a purchase discount? A buy lower pr...

What is a purchase discount? A buy lower price is a deduction that may be available to a customer if the client will pay an account within a prescribed time. For example, a supp

Correlation matrix, A. Complete the correlation matrix table. B. Which vari...

A. Complete the correlation matrix table. B. Which variable (s) has the highest correlation coeffieient which is not a perfect correlation? C. Which variable (s) has the lowest cor

Quantitative research methods, I have four assignments that are due tomorro...

I have four assignments that are due tomorrow. Can you help?

Data analysis, S&V Industries manufactures book cases. Different sizes of c...

S&V Industries manufactures book cases. Different sizes of cases are kept in inventory. The company has 80 man-hours and 36 pounds of wood available each day. 2 pounds of wood are

Pre tax in Statement of Cash Flows, Advanced Equipment leased equipment to ...

Advanced Equipment leased equipment to Richards Chemical, Inc. on 9/30/11. Advanced purchased the machine from Makers, Inc. at a cost of $6M. The 5-yr lease agreement calls for R

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