Answer:
Kindly rewrite the question clearly.
Step-by-step explanation:
If the library surveyed 240 people and only 15% chose documentaries, then only 36 people chose documentaries and the other 204 chose something else other than documentaries. You had to get 15% into decimal form and to do that you move the "." in 15.0% left 2 places so you get 0.15. Then you multiply 240 by 0.15 and you get 36.
Answer:

Step-by-step explanation:






Hence, the correct answer is 
Answer:
25%.
Step-by-step explanation:
We are asked to determine the percent of a data set is represented in
.
We know that 1st quartile or lower quartile of a data set represents 25% of data points. Median represents 50% of data points and upper or 3rd quartile represents 75%of data points of a data set.
Therefore, 25% of a data set is represented by 1st quartile (
).