Author Question: One advantage of using stratified sampling is that researchers can obtain the same precision as with ... (Read 40 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
One advantage of using stratified sampling is that researchers can obtain the same precision as with an unstratified sample, but with a smaller sample and thus at a lower cost.
 
 Indicate whether the statement is true or false

Question 2

A collection of related records that make up a data set is called a(n) _______ .
 Fill in the blank(s) with correct word



bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

T
Stratified sampling allows for greater precision with the same sample size or the same level of precision with a smaller sample.

Answer to Question 2

data file



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library