Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. 5. a study was performed to compare the e↵ec

5. A study was performed to compare the e↵ect of dietary supplementation with a low-fibre refined...

70.2K

Verified Solution

Question

Statistics

5. A study was performed to compare the e↵ect of dietarysupplementation with a low-fibre refined wheat product on the serumcholesterol of 20 healthy participants aged 23-49 years. Eachsubject had a cholesterol level measured at baseline and then wasrandomly assigned to receive either a high-fibre or lowfibre diet for6 weeks. A 2-week period followed during which no supplements weretaken. Participants then took the alternative supplement for a6-week period. The results are shown below:

n    Baseline    High fiber low fiberdifference(high fibre - low fibre) difference(high fibre -baseline)    difference(low fibre-baseline)

total Cholesterol(mg/dl)    20 186 +-31   172+-28 172+-25 -1    -14    -13

(-8, +7) (-21,7)    (-20,7)
(a) Does the high-fibre diet change cholesterol level from baseline?Justify your answer.


(b)Does the low-fibre diet change cholesterol level from baseline?Justify your answer.


(c)Is the change due to the high-fibre diet di↵erent from the changedue to the low-fibre diet? Justify.

Answer & Explanation Solved by verified expert
3.7 Ratings (458 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

What types of attributes can be characterized as strengths in the culture of an organization? What...

Psychology
Q

(c) A titanium hip replacement ball joint of 23.000 mm diameter was precision ground and required...

Mechanical Engineering
Q

The secretes norepinephrine and epinephrine into the blood when stimulated which enhance the fight or...

Biology
Q

A protease is O An An enzyme that degrades DNA An enzyme that synthesizes RNA...

Biology
Q

3 A battery maintains the electrical potential difference of 60N BE arallel metal plates separated...

Physics
Q

A 30 0 kg block is being pushed up a 15 0 slope by a...

Physics
Q

d Given y 3 sin 3x Find 1 phase shift p s 2 2 period...

Basic Math
Q

California: Two taxpayers are married and filing separately. One of them decides to itemize their...

Accounting
Q

extraoudinary repairs:

Accounting
Q

Water Utility Fund Staternent of Fund Net Position June 30, 2019 Current assets Cash and...

Accounting
Q

A $600,000 bond was retired at 98 when the carrying value of the bond was...

Accounting
Q

Examples of capital countries Germany uk USA Communism Cuba North Korea

Finance