Covariates are categorical variables like a subject's gender or ...

[Deast7027]

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

[kalskdjl1212]

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.

[Deast7027]

Thank you

[kalskdjl1212]

No problemo