Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Vikki Velasquez is a researcher and writer who has managed, coordinated, and ...

Bar Chart: a chart with horizontal bars that show frequencies or percentages for the categories. It is a graphical equivalent of a summary table. Chartjunk: a chart that has unnecessary details. It ...

Quartiles are the values that divide a data set into quarters: Put the values in order Divide the list into four equal parts The Quartiles are at the divisions The interquartile range shows the range ...