Multiple Choice
Callback attempts are important to reduce nonresponse. Usually, about ________ callback attempts should be made to the not-at-homes, busy signals, and no answers.
A) 8 to 10
B) 7 to 10
C) 5 to 10
D) 3 to 10
E) 3 to 4
Correct Answer:

Verified
Correct Answer:
Verified
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