Author Question: An extreme outlier is: a. More than 3 SDs above the mean b. Equivalent to a z score of -3.0 or ... (Read 92 times)

theo

  • Hero Member
  • *****
  • Posts: 698
An extreme outlier is:
 
  a. More than 3 SDs above the mean
  b. Equivalent to a z score of -3.0 or lower, or +3.0 or higher
  c. More than three times the value of the mean
  d. More than 3 times the IQR, below Q1 or above Q3

Question 2

A z score of -1.00 corresponds approximately to a score for a normally distributed variable that is at the:
 
  a. 1st percentile
  b. 10th percentile
  c. 16th percentile
  d. 84th percentile



swimkari

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

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

For a complete list of videos, visit our video library