The key to using stratified sampling is: a. identifying the ...

[plus1]

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]

Answer to Question 1

b

Answer to Question 2

e

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Thank you

[juliaf]

No problemo