Author Question: In a normal distribution of scores, which of the following is true? a. About 5 percent of the ... (Read 82 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
In a normal distribution of scores, which of the following is true?
 
  a. About 5 percent of the scores are more than two standard deviations from the mean.
  b. The mean score is always 0.
  c. Most scores are located in the two tails at either end of the distribution.
  d. The standard deviation indicates the arithmetic average score.

Question 2

What does it mean if the standard deviation of a distribution of quiz grades is 0?
 
  a.
 
  An equal number of people received each grade (A, B, C, D, and E).
 
  b.
 
  The distribution is a normal, bell-shaped curve.
 
  c.
 
  Everyone in the class received the same grade or score.
 
  d.
 
  Everyone in the class received a different grade.



Jayson

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

ANSWER:
a

Answer to Question 2

ANSWER:
c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

For a complete list of videos, visit our video library