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

Author Question: Of the following correlation coefficients, the one with the poorest predictive value is A) 0.90. ... (Read 17 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
Of the following correlation coefficients, the one with the poorest predictive value is
 
  A) 0.90.
  B) 0.12.
  C) -0.52.
  D) -1.00.

Question 2

The standard deviation of scores for a sample of children is 16, and the arithmetic mean is 100. The distribution of scores is a normal distribution. This means that approximately 34 of the cases will have scores between
 
  A) 92 and 108.
  B) 84 and 116.
  C) 84 and 100.
  D) 100 and 132.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

For a complete list of videos, visit our video library