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Author Question: The key to using stratified sampling is: a. identifying the strata b. selecting the appropriate ... (Read 120 times)

plus1

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on: Jun 24, 2018
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

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Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

e


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plus1

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Reply #2 on: Jun 24, 2018
Thank you


juliaf

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Reply #3 on: Jun 24, 2018
No problemo


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