Interpret stem-and-leaf plots

Learning Objectives Identify the stem, leaf, and key of a given stem-and-leaf plot. Extract individual data points from a stem-and-leaf plot. Determine the total number of data points represented in a stem-and-leaf plot. Calculate the range of a dataset from its stem-and-leaf plot. Identify the mode(s) of a dataset from its stem-and-leaf plot. Find the median of a dataset represented in a stem-and-leaf plot. Compare and contrast two datasets using their respective stem-and-leaf plots. Ever wondered how to quickly see patterns and key numbers in a list of data without drawing a complex graph? 🤔 Stem-and-leaf plots are a clever way to organize data while keeping all the original values! In this lesson, you'll learn how to read and understand stem-and-leaf plots. We&#0...

TermDefinitionExample Stem-and-Leaf PlotA method of organizing numerical data in which each data value is split into a 'stem' (the leading digit(s)) and a 'leaf' (the trailing digit). It provides a visual representation of the data's distribution while retaining the original data values.For the number 23, '2' would be the stem and '3' would be the leaf. For 105, '10' could be the stem and '5' the leaf. StemThe leading digit or digits of a data value in a stem-and-leaf plot. Stems are typically listed in ascending order in a vertical column.In a plot where '3 | 5' represents 35, '3' is the stem. LeafThe trailing digit of a data value in a stem-and-leaf plot. Leaves are typically listed in ascending order h...

Rule for Reading Data Points Each stem combined with each leaf represents one complete data value. The key specifies the place value. To read any data point, take a stem and append each of its leaves to form individual numbers. Always refer to the key to understand the magnitude of the numbers (e.g., 2|3 could be 2.3, 23, or 230). Rule for Finding the Range $\text{Range} = \text{Maximum Value} - \text{Minimum Value}$ Identify the smallest data point (first leaf of the lowest stem) and the largest data point (last leaf of the highest stem) from the plot. Subtract the minimum from the maximum to find the range, which describes the spread of the data. Rule for Finding the Mode The mode is the data value(s) that appear most frequently in the dataset. Look for leaves that...