To find the mean, range and mode on a bar graph, analyze both the x- and y-axis. The mode on a bar graph is the value that has the highest bar while the range refers to the difference between the highest and lowest value on the x-axis. The mean can be calculated by multiplying each x-value by its quantity, summing all the results and dividing by the total quantity.
Continue ReadingA bar graph is a useful way to graph the quantity across a range of a variable. Mode, mean and range are all common ways to describe a set of data. When data is presented in a graph, the mode and range can be determined directly. The mean must be calculated by reverse engineering the data from the graph.
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