Respuesta :

Ok so first you have to put the numbers in order of least to greatest:

1, 7, 12, 14, 15, 17

Next you find the median of the numbers or middle:

1, 7, 12 | 14, 15, 17

Then you find the median of both halves:

1 {7} 12 | 14 {15} 17

So the first quartile is 7 and the third quartile is 15