The five-number summary of the distribution of scores on the final exam in Psych 001 last semester was min =18 Q = 39 Med = 62 Q = 76 Max = 100. A total of 416 students
took the exam. About how many students had scores above
39? (A) 104
(B) 208
(C) 312
(D) 400

First quartile of the distribution is, Q = 39.

i.e 75% of students have scored more than 39.

So, total number of students scored more than 39 are :

Therefore, number of students scored higher than 39 are 312.

Hence, this is the required solution.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

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