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

Author Question: The top 20 percent of the population of a developing country has an average annual income of 5,500. ... (Read 107 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
The top 20 percent of the population of a developing country has an average annual income of 5,500. The next 20 percent of the population has an average annual income 13 percent less than this. What is the average annual income of this group?

Question 2

The correlation coefficient, r, ranges from:
 a. -.5 to +.5
 b. -2 to +2
 c. -1 to +1
 d. -3 to +3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Missbam101

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

4,785

Answer to Question 2

c




Coya19@aol.com

  • Member
  • Posts: 601
Reply 2 on: Jun 29, 2018
Great answer, keep it coming :)


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library