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

Probality, conceptof probality, theoretical, distribution, normal,binomial ...

conceptof probality, theoretical, distribution, normal,binomial and poisson

Schedules, what are the characteristics of schedules

what are the characteristics of schedules

Frequcency, how can we construct a bivariate frequency distribution

how can we construct a bivariate frequency distribution

One way to use contiguous allocation of the disk, One way to use contiguous...

One way to use contiguous allocation of the disk and not suffer from holes is to compact the disk every time a file is removed. Since all files are contiguous, copying a file requi

Historigram, difference between historigram and histogram

difference between historigram and histogram

calculate the chi-square statistic, The table below shows a breakdown of w...

The table below shows a breakdown of women between the ages of 20 to 64 who have had a Pap smear--it shows the number in each age group cross tabulated with the time of their last

Wae optic, can we polarize sunlight by the help of Polaroid disc?

can we polarize sunlight by the help of Polaroid disc?

Profit and supply functions, Derive the profit function P (p) and the suppl...

Derive the profit function P (p) and the supply function (or correspondence) y (p)for the following three Single-output technologies, whose production functions f (z) are:

Balance sheet-actual reserves , (a)   The bank's excess reserves are its ac...

(a)   The bank's excess reserves are its actual reserves less required reserves. Actual reserves are given as $450 from its balance sheet. Required reserves are given by the produc

Need homework answers by midnight tonight, first question: Glaser Services ...

first question: Glaser Services acquired 30% of the outstanding common stock of Nickels Company on January 1, 2008, by paying $864,180 for the 48,010 shares. Nickels declared and p

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