During every election in a particular region pollsters condu

During every election in a particular region pollsters conduct exit polls to help determine which candidate people voted for During the most recent election. pollsters incorrectly predicted candidate A the winner over candidate B When asked how this error could have happened the pollsters cited interviewer error due to the fact that in some precincts that favored candidate B. interviewers were denied access to voters selected in the sample Plus, a computer error caused some responses to be deleted before tabulation of the results In addition the method of selecting individuals to be interviewed led to selecting a lower proportion of female voters and candidate B was favored by females Explain which nonsampling errors led to the incorrect conclusion regarding the election.

Solution

there were non sampling error due to which the error was there and the wrong result showed up.

according to the instances given in the question the major non sampling error is where the interviewer were not able to interview the large section of female and also given that B was backed by female. here the interviewer lacked. hence the answer will be option c that says that the interviewer were not able to interview voter of some precints.