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

Author Question: What is indicated by a positive value for a correlation? A) Increases in X tend to be accompanied ... (Read 12 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
What is indicated by a positive value for a correlation?
 
  A) Increases in X tend to be accompanied by increases in Y.
  B) Increases in X tend to be accompanied by decreases in Y.
  C) A much stronger relationship exists than if the correlation were negative.
  D) A much weaker relationship exists than if the correlation were negative.

Question 2

Multiplying every score in a sample by 3 will not change the value of the standard deviation.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

A

Answer to Question 2

False




awywial

  • Member
  • Posts: 577
Reply 2 on: Jun 20, 2018
Excellent


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

For a complete list of videos, visit our video library