S&P_02_Displaying Quantitative data with graphs

1 Representing data

2. Frequency tables & dot pots

We have here is a list of ages of the students in a class. we are gonna look at each possible age that we've measure here, see how many students in the calass are of that age. We are going to represent the data by frequency tables and dot plots. 

The age range is 7, because the maximum age is 12 and the minimum age is 5. 

原文地址:https://www.cnblogs.com/tlfox2006/p/9400180.html