When the respondents to a questionnaire have different ...

[vHAUNG6011]

When the respondents to a questionnaire have different characteristics from those who did not choose to participate in the survey, the survey will likely suffer from ___________________ _.
 Fill in the blank(s) with correct word

Question 2

While taking a census is more expensive than taking a sample, taking a census might help eliminate the problem of ___________________ _ error.
 Fill in the blank(s) with correct word

[moormoney]

Answer to Question 1

nonresponse error

Answer to Question 2

sampling

[vHAUNG6011]

TYSM

[Bigfoot1984]

Thanks for the timely response, appreciate it