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

The linear regression, Print out your results and bring them with you to th...

Print out your results and bring them with you to the midterm as there will be additional questions on the midterm related to this analysis.  You must hand in your take-home by the

Parametric and non-parametric stats tests, What is the difference between p...

What is the difference between parametric and non-parametric stats tests? Different kinds or levels of data need to be analysed using different kinds of stats tests. The basic dist

Online homework, I need help with online accounts homework.

I need help with online accounts homework.

Conduct all steps of the hypothesis test, The owner of Big Fish supermarket...

The owner of Big Fish supermarket was reviewing some data from a research report on the type of advertisements in the local paper that are most effective.  Three types of ads (big

Create a spreadsheet model and determine linear regression, 1. MMC's CEO, D...

1. MMC's CEO, Dr. Warren A. Beatty (Not the actor) believes that the demand trend for MMC is essentially linear. Thus, he wishes to determine if linear regression would be an effec

Inventory, An audit of the accounting records of Loch Ness Ltd. for the yea...

An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000. Upon further investig

Cluster sampling and area sampling, Cluster Sampling and Area Sampling: Clu...

Cluster Sampling and Area Sampling: Cluster sampling involves grouping the population and then selecting the group or the cluster rather than individual elements for inclusion in t

Free hand in measurig trend, advantages and disadvantages of free hand in m...

advantages and disadvantages of free hand in measurig trend

Regression, y=c+1075x, when x was 2, and y was 239, given that y intercept ...

y=c+1075x, when x was 2, and y was 239, given that y intercept was 11. Calculate the residual

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