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An error bar chart is a graphical representation commonly used in statistical analysis to display the variability of data. It consists of a series of bars with attached "error bars" that visually represent the uncertainty or variability in the data. These error bars typically indicate either the standard deviation, standard error, confidence intervals, or other measures of variability around each data point. Error bar charts are valuable for conveying the precision or uncertainty of data points, aiding in the interpretation and comparison of results in scientific research, data analysis, and experimental studies.
