贝塔斯曼数据奖学金第二单元-可视化数据-PS2练习

32. Negatively Skewed

negatively skewed distributio is frequen more fall inside right bins.
example:the mileage of a car in years

 

33. Normal Distribution

 

1.have one peak named mode
2.appoximately shape symetrical
3.most scores fall in the middle interval

example : the price of the cars