Author Question: A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and SP = 2. For these data, the Pearson ... (Read 54 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
A set of n = 5 pairs of X and Y values has SSX = 16, SSY = 4 and SP = 2. For these data, the Pearson correlation is ____.
 
  A) r = 2/64
  B) r = 2/8
  C) r = 8/8
  D) r = 64/8

Question 2

If random samples, each with n = 36 scores, are selected from a normal population with  = 80 and  = 18, how much difference, on average, should there be between a sample mean and the population mean?
 
  A) 2 points
  B) 3 points
  C) 6 points
  D) 18 points



maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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.

For a complete list of videos, visit our video library