Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. algebra
  3. 2 observational studies 2 1 in the following descr

2 Observational Studies 2 1 In the following descriptions of a study confounding is present...

80.2K

Verified Solution

Question

Algebra

image

2 Observational Studies 2 1 In the following descriptions of a study confounding is present Describe the explanatory and confounding variable in the study and how the confounding may invalidate the conclusions of the study Furthermore suggest how you would change the study to eliminate the effect of the confounding variable a A prospective study is conducted to study the relationship between incidence of lung cancer and level of alcohol drinking The drinking status of 5 000 subjects is determined and the health of the subjects is then followed for 10 years The results are given below Drinking Status Heavy drinker Light drinker Total Lung Cancer Yes No 50 30 80 Total 2 150 2 200 2 770 2 800 4 920 5 000 b A study was conducted to examine the possible relationship between coronary disease and obesity The study found that the proportion of obese persons having developed coronary disease was much higher than the proportion of nonobese persons A medical researcher states that the population of obese persons generally has higher incidences of hypertension and diabetes than the population of nonobese persons

Answer & Explanation Solved by verified expert
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

A company sells two products: a standard model and a deluxe model. The standard model sells for...

Finance
Q

a. Wee Beastie Animal Farm bonds have 9 years to maturity and pay an annual coupon...

Finance
Q

Zulu car rental corporation is trying to determine whether to add 25 cars to its fleet....

Finance
Q

In 800 APA word discuss the difference between Antibody Immunity and Cell-mediated immunity. Plz write in your...

Biology
Q

Charles Darwin called the ability of an organism to survive and reproduce in it specific...

Biology
Q

According to Faraday s law of electromagnetic induction the total charge flown through a cross...

Physics
Q

for X 1 A B what Must 3x0 31 values AB CP 774 9 CX...

Geometry
Q

3 What are some pros and cons of purchasing valuable goods as an investment If...

Algebra
Q

The sales revenue of the company is OMR 10,000. Discount on sales given by the...

Accounting
Q

Olivia's Music Studio (OMS) Olivia Lewis, a passionate pianist and teacher, has over 20 years...

Accounting
Q

Required information Skip to question [The following information applies to the questions displayed...

Accounting
Q

6. Choosing a bank In choosing a bank, businesses face different selection criteria than individuals....

Finance