« previous next »

Author Question: The critical value for r depends on _____. a. alpha c. both a and b b. degrees of freedom d. ... (Read 26 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
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
« 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?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Critical Values of the Chi-Square Distribution Critical Values of the Chi-Square Distribution
The two bright stars are (left) Alpha Centauri and (right) Beta Centauri. The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
Biodiversity Depends on the Size of Habitat Biodiversity Depends on the Size of Habitat
Critical thinking skills Critical thinking skills
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact, A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ... The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ...
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library