Use the graphical display given below to decide whether the data have been selected from a normal population. Explain your answer.

Stem-and-leaf of Data N = 3321587211799133114288164129(2)5121560451273666880587739078LeafUnit= 0.1

The population is

---Select---

approximately

not

normal. The shape of the stem and leaf plot suggests a

---Select---

left skewed

right skewed

mound shaped

bimodal

uniform

distribution.