Author Question: If a sample of size 41 is selected, the value of A for the probability P(-A t A) = 0.90 is: A) ... (Read 32 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
If a sample of size 41 is selected, the value of A for the probability P(-A  t
 
  A) = 0.90 is:
  A) 1.303
  B) 1.684
  C) 2.021
  D) 2.423

Question 2

In what type of test is the variable of interest the difference between the values of the observations rather than the observations themselves?
 
  A) a test of the equality of variances from 2 independent populations
  B) a test of the difference between the means of 2 related populations
  C) a test of the difference between the means of 2 independent populations
  D) a test for of equality of variances from two related populations.



Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library