In a study on whether college graduates earn more money then ...

[humphriesbr@me.com]

In a study on whether college graduates earn more money then non-college
  graduates, the research method is almost certainly
 
  a. post-facto
  b. experimental
  c. matched-subjects
  d. before-after

Question 2

Under the normal curve, the percentage of cases falling above a z score of + 3, is
 
  a. 68
  b. 95
  c. more than 1
  d. less than 1

[Shshxj]

Answer to Question 1

a

Answer to Question 2

d

[humphriesbr@me.com]

Excellent

[emsimon14]

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