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A histogram is an accurate graphical representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable (quantitative variable) and was first introduced by Karl Pearson. It is a kind of bar graph.


Bar Graphs ... Histogram: a graphical display of data using bars of different heights. ... It is similar to a Bar Chart, but a histogram groups numbers into ranges .


This allows the inspection of the data for its underlying distribution (e.g., normal distribution), outliers, skewness, etc. An example of a histogram, and the raw ...


A histogram is a bar graph of raw data that creates a picture of the data distribution. The bars represent the frequency of occurrence by classes of data.


Jan 4, 2012 ... Although there are similarities in their appearance, histograms and bar charts ... Many graph designers order the variables alphabetically while ...


The histogram is a popular graphing tool. It is used to summarize discrete or continuous data that are measured on an interval scale. It is often used to illustrate ...


This tool will create a histogram representing the frequency distribution of your data. Just enter your scores into the textbox below, either one value per line or as  ...


Bar Graphs and Histograms examples. Tons of well thought-out and explained examples created especially for students.


A summary of Histograms in 's Graphing Data. Learn exactly what happened in this chapter, scene, or section of Graphing Data and what it means. Perfect for ...