Author Question: Are all frequency curves bell-shaped? If yes, explain why. If no, give an example of one that is ... (Read 68 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
Are all frequency curves bell-shaped? If yes, explain why. If no, give an example of one that is not.

Question 2

Which of the following methods is the most appropriate one for proving' someone cheated on a multiple choice exam who was allegedly looking at someone else's paper?
 a. Examine the two papers and see how many questions they both got wrong, and how many times the same wrong answer was chosen for those questions.
  b. Take the student's paper that was allegedly copied from (student X) and compare it to all other students' papers in the class. Take the number of answers that each student matched with student X and make a histogram. Then see where the alleged cheater fell on the resulting histogram.
  c. Neither of these methods is appropriate. There is always a chance that two people could have the same answers but no cheating was going on.
  d. Both of these methods are equivalent, so either one is appropriate.



kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

NO. EXAMPLES: ANY REASONABLE ANSWER OK, SUCH AS A CURVE THAT IS SKEWED TO THE LEFT OR RIGHT.

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

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

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library