The average score for a class of 30 students was 75. The 20 male students in the class averaged 70. The 10 female students in the class averaged:
A) the same as the males
B) higher than the males
C) significantly lower than the males
D) little lower than the males

Question

Quizplus · Accepted Answer

Since the overall class average is 75 and the male students average 70, it means that the female students must have an average score higher than 75 in order to offset the lower scores of the male students and reach an overall average of 75. Therefore, choice B (higher than the males) is the best answer.

The Average Score for a Class of 30 Students Was