导言:概率和统计

Statistics is important for understanding, describing, and predicting the world around us. Descriptive statistics is using summaries to present information that you have found to a reader. Summaries can be graphs or small groups of numbers that are easier to understand than long lists of numbers. Inferential statistics is using data to make predictions. Both inferential statistics and descriptive statistics help you understand the world around you and communicate information about it effectively.


::统计对于理解、描述和预测我们周围的世界非常重要。 描述性统计正在使用摘要向读者提供您发现的信息。 摘要可以是图表,也可以是比长长的数字清单更容易理解的小组数字。 推论性统计正在利用数据进行预测。 推论性统计和描述性统计都有助于您了解周围的世界,并有效传递有关信息。