question 14 of 28 >\nthe harris poll asked a ...
question 14 of 28 >\nthe harris poll asked a sample of smokers, \do you believe that smoking will probably shorten your life, or not?\ of the 1010 people in the sample, 848 said \yes.\\n(a) harris called residential telephone numbers at random in an attempt to contact an srs of smokers.\nbased on what you know about national sample surveys, what is likely to be the biggest weakness in the survey?\nthe answers may be influenced by the formulation of the question.\nthe high proportion of non - response.\npeople are suspicious when they are asked over the phone because they are not sure about the identity of the caller. this may result in insincere answers.\nthe survey excludes those who have no phones or have only cell phone service.
Answer
# Brief Explanation:
National surveys via land - lines miss those without land - lines. This is a common sampling issue.
# Answer:
The survey excludes those who have no phones or have only cell phone service.