Author Question: What percentage of the students in the sample spent the weekend studying and did well in the final ... (Read 75 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
What percentage of the students in the sample spent the weekend studying and did well in the final exam?

Question 2

The degrees of freedom for the test statistic in a test of a contingency table is (r - 1)(c - 1) where r is the number of rows in the table, and c is the number of columns.
  Indicate whether the statement is true or false



peter

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

60 out of 150, or 40

Answer to Question 2

T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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.

For a complete list of videos, visit our video library