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2. Bar chart - Wikipedia

   en.wikipedia.org/wiki/Bar_chart

   A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart. A bar graph shows comparisons among discrete categories.

3. William Playfair - Wikipedia

   en.wikipedia.org/wiki/William_Playfair

   William Playfair (22 September 1759 – 11 February 1823) was a Scottish engineer and political economist. The founder of graphical methods of statistics, [1] Playfair invented several types of diagrams: in 1786 the line, area and bar chart of economic data, and in 1801 the pie chart and circle graph, used to show part-whole relations. [2]

4. Histogram - Wikipedia

   en.wikipedia.org/wiki/Histogram

   Histogram. A histogram is a visual representation of the distribution of quantitative data. To construct a histogram, the first step is to "bin" (or "bucket") the range of values— divide the entire range of values into a series of intervals—and then count how many values fall into each interval. The bins are usually specified as consecutive ...

5. Category:Statistical charts and diagrams - Wikipedia

   en.wikipedia.org/wiki/Category:Statistical...

   Chernoff face. Chord diagram (information visualization) Choropleth map. Circular distribution. Contour boxplot. Control chart. Correlation diagram. Correlogram. Cumulative flow diagram.

6. p-chart - Wikipedia

   en.wikipedia.org/wiki/P-chart

   In statistical quality control, the p-chart is a type of control chart used to monitor the proportion of nonconforming units in a sample, where the sample proportion nonconforming is defined as the ratio of the number of nonconforming units to the sample size, n. [1] The p-chart only accommodates "pass"/"fail"-type inspection as determined by ...

7. Gantt chart - Wikipedia

   en.wikipedia.org/wiki/Gantt_chart

   A Gantt chart is a type of bar chart [4][5] that illustrates a project schedule. [6] This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. [4][7] The width of the horizontal bars in the graph shows the duration of each activity. [7][8] Gantt charts illustrate the start and finish dates of ...