An important way to reduce nonresponder bias that was discussed ...

[laurencescou]

An important way to reduce nonresponder bias that was discussed in your book is to _____.
 
  a. give people a reward for participating
  b. try to persuade people to participate by calling them back if they decline at first
  c. making sure the survey instrument does not offend or discourage people
  d. all of these

Question 2

For a list of sample data the lowest and highest score values are examples of _________ statistics.
 
  a. inferential c. population
  b. sample d. descriptive

[Sammyo]

Answer to Question 1

C
The only one of these that was presented in the book was to format the survey instrument in such a way as to reduce the likelihood of people refusing to participate.

Answer to Question 2

D

[laurencescou]

Thanks for the timely response, appreciate it

[kusterl]

Gracias!