Author Question: A stratified random sample should be used when a. the population has identifiable subgroups that ... (Read 97 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
A stratified random sample should be used when
 
  a. the population has identifiable subgroups that are of interest to the researcher
  b. the sample constitutes the population.
  c. the population is very small
  d. there is no way of estimating the probability that a particular subgroup will be included in the sample

Question 2

The first step in sampling is to
 
  a. determine the desired size of the sample
  b. identify the population from which the sample is to be drawn
  c. identify all subgroups, or strata
  d. identify desired attributes of the sample



Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library