Which of the following is not required in an experimental design? ...

[Sufayan.ah]

Which of the following is not required in an experimental design?
 
  A) blocking
  B) All of these are required in an experimental design.
  C) control
  D) randomization
  E) replication

Question 2

A chemistry professor who teaches a large lecture class surveys his students who attend his class about how he can make the class more interesting, hoping he can get more students to attend. This survey method suffers from
 
  A) response bias
  B) voluntary response bias
  C) none of these
  D) nonresponse bias
  E) undercoverage

[dawsa925]

Answer to Question 1

A

Answer to Question 2

E

[Sufayan.ah]

TY

[dawsa925]

You're welcome