Question

The five-number summary of the distribution of scores on the final exam in Psych 001 last

Answer 1

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 :

$n=\dfrac{416\times 75}{100}\\\\n=312$

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

Hence, this is the required solution.