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 77 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!


bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

For a complete list of videos, visit our video library