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 ...

Along with bar charts, scatter plots are probably the most common type of graph to help managers make decisions based on data. When you have a data set consisting of pairs of numbers, such as counts ...

Learn how the line of best fit in regression analysis shows relationships between variables, how it's calculated, and its applications in finance.