The scores listed below are the results from students taking a dexterity test. What is the 75th percentile of these scores?

1, 1, 1, 1.5, 2, 2, 2, 2.5, 3

A) 2
B) 2.25
C) 2.5

im torn between a and b

Question

The scores listed below are the results from students taking a dexterity test. What is the 75th percentile of these scores?

1, 1, 1, 1.5, 2, 2, 2, 2.5, 3

A) 2
B) 2.25
C) 2.5

im torn between a and b

anonymous · Answer

Lp = (n +1) 75/100
Lp = 9 *75 / 100
Lp = 6.75th observation, using 7th observation.

therefore, the answer is 2...

anonymous · Answer

u can see here http://answers.yahoo.com/question/index?qid=20110413205732AA5a97t

anonymous · Answer

@maariee did u understand

anonymous · Answer

yes thanks so much! :)