« previous next »

Author Question: A researcher finds a .40 correlation between the number of years a student has access to a computer ... (Read 66 times)

fagboi

  • Hero Member
  • *****
  • Posts: 535
on: Jun 20, 2018
A researcher finds a .40 correlation between the number of years a student has access to a computer and his or her attitude toward mathematics. The study used 20 subjects. The correlation is statistically significant at what level?
 
  a. .05 c. .001
  b. .01 d. None of these are true.

Question 2

A researcher finds a .40 correlation between the number of years a student has access to a computer and his or her attitude toward mathematics. The study used 20 subjects. What are the degrees of freedom in this case?
 
  a. 39 c. 19
  b. 38 d. 18


fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Language Access Services Language Access Services
The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the
Toddler: 1–3 years. Toddler: 1–3 years.
How to write any number in engineering notation How to write any number in engineering notation
Agriculture in 10,000 years ago Agriculture in 10,000 years ago
Tracing numbers and alphabets by nat 3 years old Tracing numbers and alphabets by nat 3 years old
Video: Stimulus (introduction)

For a complete list of videos, visit our video library