103k views
2 votes
Suppose 288 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?
A)216


B)144


C)130


D)72

User Emyr
by
3.7k points

2 Answers

5 votes

Answer: it’s 72

Explanation:

Suppose 288 nursing students took a certification test that is worth 140 points. The-example-1
User Bojan Resnik
by
3.5k points
3 votes

Answer: The correct answer is: [A]: " 216 " .

________________________________________

Step-by-step explanation

________________________________________

The Q3, or third quartile, mean the last "fourths" of the test taskers (about 25% has 130 or above. (Q3 = 130) ;

So about 75%; (100% - 25% = 75%) ; had 130 or less.

There are 288 nursing students who took the test;

so 288 test-takers.

75% of 288 = ? ;

75% = 75/100 = 0.75 * 288 = ? ;

Use calculator; to get: " 216 " ;

which is:

_________________________________________

Answer choice: [A]: " 216 " .

_________________________________________

User KimKha
by
3.6k points