Answer:
d. representative sample from a sufficiently large population with no selection bias
Step-by-step explanation:
"scientific" poll -
It is the selection process , where the samples are selected randomly , so as to avoid the selection bias .
In this method from a huge lot , the samples are selected without any preference to any of the sample from the lot .
Hence , the correct statement for the "scientific" poll , from the given options is ( D ) .