Given the numbers 2,5,7,8,9,10,11,12,12,13,15,16,17,18,19. Find the percentile rank of the number 11

the answer I had was wrong, it wasn't 46.66% that's not it

Question

Given the numbers 2,5,7,8,9,10,11,12,12,13,15,16,17,18,19. Find the percentile rank of the number 11

the answer I had was wrong, it wasn't 46.66% that's not it

pphalke · Answer

@mathstudent55

queenie · Answer

this should help.... http://www.regentsprep.org/regents/math/algebra/ad6/quartiles.htm

pphalke · Answer

it helps a little I don't know what number to plug in for the formula, it says to get the percentile rank for 11

mrnood · Answer

have you worked out the mean ans standard deviation of th enumbers?

pphalke · Answer

no I haven't how do I do that

mrnood · Answer

Do you know what percentile means?