2. Relative Frequency/Cumulative
Relative Frequency
• Relative Frequency refers to graphing the
percent of the counts in each bin
• Cumulative Relative Frequency refers to
graphing the CUMULATIVE PERCENTS of the
counts in each bin
• The histogram of a cumulative relative
frequency is call an OGIVE (pronounced o-jive)
3. Time Plots
• Display observations taken over time
• Horizontal (x) axis is always time and the
variable is on the vertical (y) axis
• Reveal trends or changes over time (think
stock market graphs)
