A student reports that, of a simple random sample of 200 college undergraduates, 37% were female and 41% were male. We know that the student has made a mistake because
A) it is highly unlikely that a simple random sample of 200 undergraduates would have as few as 37% females.
B) of the possibility of response error.
C) 37% plus 41% is not 100%.
D) the percentages of males and females would be closer together in a true SRS.
E) a stratified random sample would have been less prone to error.

Question

Quizplus · Accepted Answer

The student's mistake is that the percentages of males and females add up to more than 100%, which is not possible in a simple random sample.

A Student Reports That, of a Simple Random Sample of 200