Author Question: The critical value for r depends on _____. a. alpha c. both a and b b. degrees of freedom d. ... (Read 76 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
The critical value for r depends on _____.
 
  a. alpha c. both a and b
  b. degrees of freedom d. none of these

Question 2

When conducting a hand calculation of the Pearson product moment correlation coefficient, how many columns of numbers are needed?
 
  a. two c. four
  b. three d. five



laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C
The table is organized by alpha levels and degrees of freedom.

Answer to Question 2

D
The columns are needed for the X scores, the Y scores, the squared X scores, the squared Y scores, and the XY scores.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library