Author Question: The critical value for r depends on _____. a. alpha c. both a and b b. degrees of freedom d. ... (Read 70 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?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

For a complete list of videos, visit our video library