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

Author Question: R-squared in multiple regression analysis is A) always 20 percent. B) considered good if it is at ... (Read 24 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
R-squared in multiple regression analysis is
 
  A) always 20 percent. B) considered good if it is at least .50.
  C) based on improvement over zero. D) never a helpful measurement.

Question 2

Some experiments require observers to take many measures of the dependent variable over time and across participants. If they become better observers of the dependent variable during the course of the study, it produces a confound referred to as
 
  a. instability.
  b. unreliability.
   c. instrumentation.
  d. insensitivity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zenzy

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

C

Answer to Question 2

C





 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library