Why is it important for data to be just barely sufficient? ...

[ereecah]

Why is it important for data to be just barely sufficient?
 
  What will be an ideal response?

Question 2

Which of the following notations signifies that an adviser can be related to many studentsand that a student can be related to many advisers?
 
  A) 1:N
  B) N:M
  C) N:1
  D) N:N

[tennis14576]

Answer to Question 1

Data needs to be sufficient for the purpose for which it is generated, but just barely so.
People are inundated with data; one of the critical decisions that people make each day is what
data to ignore. The higher one rises into management, the more data one will be given, and
because there is only so much time, the more data one will need to ignore. So data should be
sufficient, but just barely.

Answer to Question 2

B