A student reports that, of a simple random sample of 100 college undergraduates, 54% were female and 49% were male. We know that the student has made a mistake because
A) it is highly unlikely that there are more females than males at the college.
B) 54% plus 49% equals 103%, which exceeds 100% (everyone in the sample).
C) the student should've also included graduate students.
D) the percentages of males and females should be further apart.

Question

Quizplus · Accepted Answer

The percentages of females and males 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 100