Author Question: What is true about the chi-square test of independence? a. Chi-square test of independence ... (Read 114 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
What is true about the chi-square test of independence?
 
  a. Chi-square test of independence results are important calculations in most studies.
  b. In a relatively small sample size, the chi-square test of independence can reduce the chance of a Type II error.
  c. The chi-square test of independence is a powerful test used to examine differences in studies with two subjects.
  d. The chi-square test of independence is used to determine whether two variables are related or independent.

Question 2

A researcher correlates self-confidence measures with obesity rates and determines an r value of 0.8. What can the reviewer conclude when evaluating this research?
 
  a. There is a 36 chance that variation in one score is the result of variation in the other score
  b. There is a 64 chance that variation in one score is the result of variation in the other score
  c. There is a 64 chance that variation in one score is the result of variation in something other than the other score
  d. There is a weak correlation between these two variables



Hikerman221

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

ANS: D

Answer to Question 2

ANS: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library