Author Question: The key to using stratified sampling is: a. identifying the strata b. selecting the appropriate ... (Read 117 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?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

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

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

For a complete list of videos, visit our video library