Author Question: A group of people who, in response to some general appeal, have selected themselves to participate ... (Read 123 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
A group of people who, in response to some general appeal, have selected themselves to participate in a survey is called a simple random sample.
  Indicate whether the statement is true or false

Question 2

Which of the following statements is false?
 a. The t distribution is symmetric about zero.
  b. The t distribution is more spread out than the standard normal distribution.
  c. As the degrees of freedom get smaller, the t distribution's dispersion gets smaller.
  d. The t distribution is mound-shaped.
  e. The t distribution is more spread out than the standard normal distribution and as the degrees of freedom get smaller, the t distribution's dispersion gets smaller.



deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

F

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library