Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page. Examples, videos and solutions to help Grade 2 students learn how to draw and label a bar graph to represent data; relate the count scale to the number line.
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Interactive Math Lesson | Reading Bar Graphs
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Reading Bar Graphs
A bar graph is the most common method of statistical representation and it is used to create visual presentations of quantifiable data variables. This tool helps researchers to effectively manage large sets of data by categorizing them based on their numerical values. Specifically, it breaks categorical data sets into groups based on numerical differences, and it is made up of response and predictor variables. It is important for researchers to know how to plot a bar graph as well as the different types of bar graphs that are available. A bar chart or bar graph is a diagrammatic representation of data in quantities.
One of the most fundamental chart types is the bar chart, and one of your most useful tools when it comes to exploring and understanding your data. A bar chart aka bar graph, column chart plots numeric values for levels of a categorical feature as bars. Levels are plotted on one chart axis, and values are plotted on the other axis. Bars are plotted on a common baseline to allow for easy comparison of values.