Author Question: Randomly selected subsamples of different groups are represented in the total sample for a research. ... (Read 91 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
Randomly selected subsamples of different groups are represented in the total sample for a research. This type of probability sample is a ________ sample.
 a. stratified
 b. convenience
 c. quota
 d. cluster

Question 2

One way to control systematic error in an experiment is to match the respondents on the basis of pertinent background information, such as gender.
 
 Indicate whether the statement is true or false



Juro

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

a

Answer to Question 2

true



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library