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

How does an amplifier work, Expertsmind.com  brings you unique solution in ...

Expertsmind.com  brings you unique solution in  physics An audio amplifier setup will have a power amplifier and usually a preamplifier.  The preamplifier takes the wea

Compute the mean absolute deviation and mean square error, Toyota Motors in...

Toyota Motors introduced a hybrid car Hybrid G in the U.S. market in 2006. In the first three years, the sales of Hybrid G were strong due to the buzz surrounding the hybrid car co

Analyze data using chi-square test , Analyze the given data using chi-squar...

Analyze the given data using chi-square test and see if it fits the expected 9:3:3:1 F 2 phenotypic ratio.   Ho: Null hypothesis: The F 2 phenotypic ratio follows the

Surveys by mailing of questionnaires, The researcher and the respondents d...

The researcher and the respondents do not come in contact with each other if this method of survey is adopted Questionnaires are mailed to the respondents with a request to re

Demonstrate the potential risk from financing in eurodollars, You have the ...

You have the following information about rates in London for Eurocurrency loans of one-year duration, the exchange rate between the USD and euros, the currency in which you want fi

Homework, Problems 15. An art professor was interested in seeing what si...

Problems 15. An art professor was interested in seeing what size group is best to prime the pump so to speak to encourage strangers to gather together in front of various exhibi

Generally accepted accounting principles, Can the Depreciation on Assets be...

Can the Depreciation on Assets be recorded in Single Entry system? No, it cannot be possible. What do you mean by Computer Hardware? The computer is made with different co

Acct 1100, comprehensive problem 1 chapter4

comprehensive problem 1 chapter4

Compute spss and confidence interval , A researcher is interested in charac...

A researcher is interested in characteristics of HIV+ and HIV- adolescents interviewed 166 young adults about their experiences during adolescence. He wished to know, among other

Find confidence interval, A sample of 40 golfers showed that their average ...

A sample of 40 golfers showed that their average on a particular course was 94 with a standard deviation of 6. a. Find the 95% confidence interval of the mean score for all golf

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