This topic contains a solution. Click here to go to the answer

Author Question: Stratified random sampling procedures are used when we wish to A) represent accurately subgroups ... (Read 162 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
Stratified random sampling procedures are used when we wish to
 
  A) represent accurately subgroups of a population in the sample.
  B) study geological events.
  C) employ a larger sample.
  D) take a random sample from the entire population.

Question 2

What is a major problem with simple random sampling?
 
  A) The researcher needs a list of all the members of a population, which is difficult to obtain for a large population.
  B) The researcher needs to contact all the people in the population, which would be difficult for a large population.
  C) The sample usually over-represents certain segments of the population.
  D) There is a systematic bias that leads to persons with certain characteristics having a higher probability of being selected.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dantucker

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A




stephzh

  • Member
  • Posts: 556
Reply 2 on: Aug 4, 2018
Wow, this really help


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

For a complete list of videos, visit our video library