Statistics
Stem and Leaf Plots

Statistics

• Discrete vs continuous data
• Mean, median and mode
• ​Estimating the mean of grouped data
• ​Range & Interquartile Range (IQR)
• ​Box plots
• Frequency tables
• Histograms
• Stem-and-leaf plots
• ​Back-to-back stem-and-leaf plots
• Describing distribution of data​

A stem-and-leaf plot is a method of writing data in groups without losing information about the actual data values. However, it still allows us to compare the frequencies of each group.