« previous next »

Author Question: Dividing the population into subgroups and then sampling from one or more subgroups best describes: ... (Read 85 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jun 20, 2018
Dividing the population into subgroups and then sampling from one or more subgroups best
  describes:
 
  A) random sampling without replacement
  B) random sampling with replacement
  C) sampling
  D) stratified random sampling

Question 2

You are attempting to form a random sample for a study on caffeine consumption and anxiety.
  You want to make sure you get a representative sample of the entire U.S.
 
  population so you
  randomly draw participants from specific regions of the country, such as 10 participants from
  California, 10 from Texas, and so on. What technique are you using?
  A) random sampling with replacement
  B) sampling
  C) random sampling without replacement
  D) stratified random sampling


randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

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

World human population growth through history illustrates an exponential growth pattern. World human population growth through history illustrates an exponential growth pattern.
Animal extinctions and human population growth. Animal extinctions and human population growth.
During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t
Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater, Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
Population: Historic Patterns Population: Historic Patterns
Time vs. USA Population Exponential Time vs. USA Population Exponential
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library