Answer: Interviewer-induced bias
Step-by-step explanation:
The example given in the question illustrates the Interviewer-induced bias. This occurs when the situation created by the interviewer is such that the respondent will have to give the kind f answer that the interviewer wants to hear.
For example, in the question, we can deduce that the interviewers told the interviewees that they won't be investigated and the gave bias replies based on that.
48 divided by 12 = 7
Because 12x7=48
Hope this helped!
So here just plug values into the quadratic formula x= -b+- sqr b^2-4ac / 2a
The last one is the right answer