Author Question: The key to using stratified sampling is: a. identifying the strata b. selecting the appropriate ... (Read 116 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
The key to using stratified sampling is:
 a. identifying the strata b. selecting the appropriate strata
  c. defining the strata d. randomizing the strata

Question 2

Examples of non-random patterns that may be evident on a time series graph include:
 a. trends
  b. increasing variance over time
  c. a meandering pattern
  d. too many zigzags
  e. all of these choices



juliaf

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

b

Answer to Question 2

e



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library