Find the first and third quartiles of the data set.
432, 455, 280, 216, 353, 387, 119, 293, 241, 460, 389, 121, 142

Question

Find the first and third quartiles of the data set.
432, 455, 280, 216, 353, 387, 119, 293, 241, 460, 389, 121, 142

anonymous · Answer

do the same that I did before to calculate the first quartile.
And for third quartile use this formula:
 3rd quartile = 3(n+1)/2 th term

anonymous · Answer

i did mistake 
 3rd quartile= 3(n+1)/4 th term

anonymous · Answer

how would i write that as my answer ?

anonymous · Answer

first arrange the data in ascending order,
 and find n

anonymous · Answer

how do i do that?

anonymous · Answer

in ascending order,
119,121,142,216,241,280,293,353,387,389,432,455.460

anonymous · Answer

ok an what doi do next

anonymous · Answer

now count the number of data which is n.
in this case n = 13

anonymous · Answer

is that for the 1st an the 3rd