A stemplot of a set of data is roughly symmetric, but the data do not even approximately follow the 68-95-99.7 rule. What should we conclude about the data?

Question

Quizplus · Accepted Answer

The stemplot being roughly symmetric indicates that the data may be approximately Normal, but the fact that they do not follow the 68-95-99.7 rule indicates that they are not Normal. Therefore, option C is the most appropriate answer.

A Stemplot of a Set of Data Is Roughly Symmetric