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

Track Software, Seven years ago, after 15 years in public accounting, Stanl...

Seven years ago, after 15 years in public accounting, Stanley Booker, CPA, resigned his posiition as Manager of Cost Systems for Davis, Cohen, and O''''Brien Public Accountants and

Accounting standards in word countries, Accounting Standards in word countr...

Accounting Standards in word countries: Diverse countries like Peru, Australia, Kuwait, South Africa etc. have all started adopting the IFRS. The SEC has suggested that all compan

Var representation of sutse model, Dear expert, Assume that we have a multi...

Dear expert, Assume that we have a multivariate unobserved component model (or SUTSE, seemingly unrelated time series equation model) in STATE SPACE form, that is: Y(t) = H A(t) +

Normal curve and the standard deviation, What is the relationship between t...

What is the relationship between the normal curve and the standard deviation? Name and explain three special features of a normal distribution

Time series, what are the importances of time series

what are the importances of time series

Cost accounting, Assignment on objective of cost accounting briefly discuss...

Assignment on objective of cost accounting briefly discuss.

Find the probability density function, The lifetime T (in days) of an elect...

The lifetime T (in days) of an electrical component has reliability function given by: R(t) = e - 0 : 01 t for time t > 0. An electrical system consists of four such component

The impact of the shift to ifrs, How do you think the banking sector is goi...

How do you think the banking sector is going to get impacted?   Manager 1: The impact of the shift to IFRS is going to be much higher in the banking sector. This impact woul

Characteristics of statistics, Mention the characteristics of Statistics. E...

Mention the characteristics of Statistics. Explain any two applications of Statistics.

Calculate the investments through model, Anna is considering investing $150...

Anna is considering investing $150,000 by dividing it into three investments. But she is not sure how much to put in each one. The first investment is known to follow a uniform dis

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