Author Question: What is true about the chi-square test of independence? a. Chi-square test of independence ... (Read 110 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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

For a complete list of videos, visit our video library