For statistical information to be valid, it is important that: ...

[bobbysung]

For statistical information to be valid, it is important that:
 
  A) only cases relevant to the study were used.
  B) the primary records are accurate.
  C) the sample was large enough.
  D) the abstraction is accurate.
  E) All of the above

Question 2

A/An _______________ is an attempt to make a computer an expert in one narrow field.
 
  Fill in the blank(s) with correct word

[chreslie]

Answer to Question 1

E

Answer to Question 2

expert system

[bobbysung]

Excellent

[kthug]

Gracias!