What is a careful, detailed, systematic examination and interpretation of a particular body of ...

What is a careful, detailed, systematic examination and interpretation of a particular body of material in an effort to identify patterns, themes, biases, and meanings?
 
  A) Content analysis
  B) Interpretative approaches
  C) Social anthropological approaches
  D) Collaborative approaches

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Two students in a math class compared their scores on a series of five quizzes:
 
  Student A Student B
  4 6
  9 5
  3 7
  8 5
  9 6
  Considering the concepts of both central tendency and variability, find (a) which student
  tended to perform better on the quizzes and (b) which student tended to perform more
  consistently on quizzes.
 
  What would be an ideal response?

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The standard deviation and variance assume
 
  a. nominal data.
  b. ordinal data.
  c. interval data.
  d. a normal distribution.