Question

Suppose 360 nursing students took a certification test that is worth 140 points. The five-number summary for the scores is shown here.

min. value = 68
Q1 = 110
median = 125
Q3 = 130
max. value = 138

About how many students had a score of 130 or less?

(Points : 4)
130

180

90

270

Answer 1

@michele_laino

Answer 2

Hint:
The population of all students is subdivided in four quartiles, and each quartile include 360/4=90 students

Answer 3

So, what do you get?

Answer 4

I got 270. Q1 90 , Q2 90, Q3 90 = 270

Answer 5

yes! I think so. Then, your answer is:
(360/4)*3=270

Answer 6

your answer is correct!

Answer 7

Thank you so much :)

Answer 8

Thank you! :)