« previous next »

Author Question: How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed ... (Read 84 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jun 20, 2018
How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed test with  = .05?
 
  A) n = 14
  B) n = 13
  C) n = 12
  D) n = 11

Question 2

A sample obtained from a population with  = 12 has a standard error of 2 points. How many scores are in the sample?
 
  A) n = 36
  B) n = 24
  C) n = 6
  D) n = 3


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sdfghj

  • Hero Member
  • *****
  • Posts: 552
Reply #2 on: Jun 20, 2018
Thank you!


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

(a) Large buttress roots in a tropical rain forest (a) Large buttress roots in a tropical rain forest
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
Anatomy of the large intestine Anatomy of the large intestine
Anatomy Of Large Intestine Anatomy Of Large Intestine
The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo
United States, southwestern and southern states are suffer from a significant decrease in rainfall United States, southwestern and southern states are suffer from a significant decrease in rainfall
Video: Pressure Flow Model Animation

For a complete list of videos, visit our video library