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

Author Question: When we say that two independent variables, such as gender and age, are confounded, we mean that ... (Read 29 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
When we say that two independent variables, such as gender and age, are confounded, we mean that
 
  a. one variable blocks the influence of the other.
  b. we cannot completely tell the effect of gender apart from the effect of age.
  c. we cannot do anything with the study.
  d. the data were collected carelessly.

Question 2

When we have very unequal sample variances, we should
 
  a. check our work very carefully when we pool the variances.
  b. not pool the variances.
  c. average the variances, but not weight them with the degrees of freedom.
  d. run some different analysis.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meryzewe

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

B

Answer to Question 2

B




Deast7027

  • Member
  • Posts: 538
Reply 2 on: Jun 20, 2018
Wow, this really help


Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

For a complete list of videos, visit our video library