This topic contains a solution. Click here to go to the answer

Author Question: Covariates are categorical variables like a subject's gender or ethnicity. Indicate whether the ... (Read 61 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
Covariates are categorical variables like a subject's gender or ethnicity.
 
 Indicate whether the statement is true or false

Question 2

It is important to remember that a sample that is collected non-randomly will always have a bias.
 
 Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

F
Categorical variables such as these are called blocking variables. Covariates are continuous variables.

Answer to Question 2

F
Non-random selection does not necessarily mean that the sample is biased.





 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

For a complete list of videos, visit our video library