Percentiles always indicate a. the percentage of cases falling ...

[amal]

Percentiles always indicate
 
  a. the percentage of cases falling below a given point
  b. the percentage of cases falling above a given point
  c. the percentage of cases falling between a given z score and the mean
  d. the percentage of cases falling above a given z score

Question 2

Whenever a researcher randomly selects equivalent groups, and then exposes
  them to different stimulus conditions, and then measures them to see if
  significant difference can be observed, the total procedure is an example of
 
  a. experimental research
  b. post-facto research
  c. cross-sectional research
  d. none of these

[rosiehomeworddo]

Answer to Question 1

a

Answer to Question 2

a