Author Question: If a sample mean is different from a particular population , we can conclude that the sample mean ... (Read 35 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
If a sample mean is different from a particular population , we can conclude that the sample mean probably represents some other population or that
 
  a. the sample mean does not represent the sample statistic.
  b. an error was made in calculating the sample mean.
  c. an error was made in calculating standard error.
  d. the sample mean occurred as a result of sampling error.

Question 2

Why do we perform inferential statistics?
 
  a. Because we know our sample is not representative.
  b. Because it is possible we are being misled by sampling error.
  c. Because we want to describe the characteristics of the population.
  d. Because we need to be certain we make the correct decision.



Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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 U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library