If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

In this example, you use the Fitness data set as the basis of your scatter plot. If you have not already done so, open the Fitness data set by following these steps ...

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...

Throughout geography you should be provided with many opportunities to identify weaknesses or limitations within data. For example, you may be able to comment on sample size or the way in which data ...