Respuesta :

Answer:

17.3

Step-by-step explanation:

stem a leaf plot look it up

so (Σ8, 12, 15, 18, 18, 20, 21, 23, 23, 23, 27)/12

(20 + 33 + 38 + 44 + 46 +27)/12

(91 + 117)/12

208/12

about 17.3333333333