This topic contains a solution. Click here to go to the answer

Author Question: The normal curve is a frequency distribution with A. most scores falling in the middle of the ... (Read 114 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
The normal curve is a frequency distribution with
 
  A. most scores falling in the middle of the curve.
  B. most scores falling at the high end of the curve.
  C. most scores falling at the low end of the curve.
  D. an equal number of scores falling in the middle and at each end of the curve.

Question 2

The manual of a new test indicates that the test has a mean of 100 and a standard deviation of 15 . This means that
 
  A. 68 of the scores will fall between 100 and 130.
  B. a score 2 standard deviations below the mean would be 85.
  C. a score 2 standard deviations below the mean would be 70.
  D. 68 of the scores will fall between 70 and 130.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

A

Answer to Question 2

C




crazycityslicker

  • Member
  • Posts: 537
Reply 2 on: Jun 20, 2018
Gracias!


cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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