Author Question: What is true about the chi-square test of independence? a. Chi-square test of independence ... (Read 108 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?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library