Question Details

[solution] »

A dietician wanted to test three different diets to find out if the mean weight loss for each of


Description

Answer Download


The Question

A dietician wanted to test three different diets to find out if the mean weight loss for each of these diets is the same.  She randomly selected 21 overweight persons, randomly divided them into three groups, Diet I, Diet II, and Diet III. After running an Anova, Single Factor hypothesis test on the data, she determined at least 2 means are different. 

In order to determine where the differences exist in an ANOVA test, Tukey developed another critical value and a procedure to find those differences.  When utilizing Tukey's Omega, given the following Excel print-out, can you determine the treatments in where the differences exist.

Multiple Comparisons

     
     

LSD

Omega

 

Treatment

Treatment

Difference

Alpha = 0.05

Alpha = 0.05

Diet I

Diet II

-6.14286

4.73283

5.7505

 
 

Diet III

-1

4.73283

5.7505

 

Diet II

Diet III

5.14286

4.73283

5.7505

 

 

a.

Difference is between ?Diet I? and ?Diet III

b.

According to Tukey?s Omega, there are no differences shown in the printout.

c.

Difference is between ?Diet I? and ?Diet II

d.

Difference is between ?Diet II? and ?Diet III



The null and alternative hypotheses are

 

( all the means are same)

 

H1: Not all three populations means are equal (at least one mean is different from others).

 

To Show the rejection and non-rejection...

 


Solution details

Solution #00070020

[solution] »

A dietician wanted to test three different diets to find out if the mean weight loss for each of .zip

Uploaded by: Tutor

Answer rating:

This paper was answered on 14-Oct-2020

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Oct 14, 2020

EXPERT

Tutor

ANSWER RATING

BEST TUTORS

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

STUCK WITH YOUR PAPER?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN A DEADLINE.

Order Now