Author Question: In simple correlation a squared correlation coefficient tells us the percentage of variability in Y ... (Read 113 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
In simple correlation a squared correlation coefficient tells us the percentage of variability in Y associated with variability in X. In multiple regression, the squared multiple correlation coefficient
 
  a. has the same kind of meaning.
  b. has no meaning.
  c. overestimates the degree of variance accounted for.
  d. underestimates the degree of variance accounted for.

Question 2

The multiple correlation of several variables with a dependent variable is
 
  a. less than the largest individual correlation.
  b. equal to the correlation of the dependent variable to the values predicted by the regression equation.
  c. noticeably less than the correlation of the dependent variable to the values predicted by the regression equation.
  d. It could take on any value.



tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library