Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find out if the variable in problem is a confounder

1. A study of relationship between exercise and heart attacks that is conducted between women who don't smoke.  Determine whether gender is confounder.

2.  A case-control study of relationship between liver cirrhosis between both non alcoholics and alcoholics. Determine whether smoking is confounder.  

3. Interpret the results of following studies

An odds ratio of 1.2 (95% confidence interval: 0.8-1.5) is found for association of low socioeconomic status and occurrence of obesity.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918355

Have any Question? 


Related Questions in Statistics and Probability

A study was conducted of pleas made by 10261 criminals

A study was conducted of pleas made by 1,0261 criminals. Among those criminals,953 pled guilty, and 396 of them were sentenced to prison. Among the 73 other criminals, who pled not guilty,52 were sent to prison. a. What ...

The heart of darkness is one of the great literary

The Heart of Darkness is one of the great literary criticisms of Imperialism in Africa. Marlow, the main character, is originally fascinated by the possibilities that exploring Africa has to offer a young man seeking his ...

A poisson random variable has a pmf of the formk 012a find

A Poisson random variable has a PMF of the form k = 0,1,2..... (a) Find the characteristic function  (b) Find the first three nonzero terms in the Taylor series expansion of   (c) Use the results of part (b) to find the ...

A highly trafficked interstate highway has an hourly

A highly trafficked Interstate Highway has an hourly average of 2 accidents over any 10 mile stretch. The number of accidents is believed to follow a Poisson distribution. Use the Poisson Distribution table (pages 3 & ...

The received voltage in a 75 omeganbsp antenna of a

The received voltage in a 75 Ω  antenna of a wireless communication system is modeled as a Rayleigh random variable,  What does the value of the parameter σ need to be for the received power to be 10μW?

Two students play the following game two dice are tossed if

Two students play the following game. Two dice are tossed. If the sum of the numbers showing is less than 7, student A collects a dollar from student B. If the total is greater than 7, then student B collects a dollar fr ...

A sample of n9 scores has a mean of m20 one of the scores

A sample of n=9 scores has a mean of M=20. One of the scores is changed and the new mean is found to be M=22. If the changed score was originally X=7, what is its new value?

Let xn be a wide sense stationary discrete random process

Let X[n] be a wide sense stationary, discrete random process with autocorrelation function  and let C be a constant (a) Find the autocorrelation function for the discrete random process  (b) Are   independent? Uncorrelat ...

Cards are drawn from a standard 52-card deck until an ace

Cards are drawn from a standard 52-card deck until an ace is drawn. After each card is drawn, it is put back in the deck and the cards are reshuffled so that each card drawn is independent of all others. (a) Find the pro ...

Recall the random variables ofnbspgiven exercise that are

Recall the random variables of given Exercise that are uniformly distributed over the region  (a) Find the conditional PDFs  (b) Find the conditional CDFs (c) Find    Exercise A pair of random variables, ( X , Y ) , is e ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate