Types Of Histogram Graphs. Bell Shaped Curve. In a bimodal distribution there are two peaks.
It looks very much like a bar chart but there are important differences between them. Additional guides cover such things as how to create a trendline combining chart types and. The classes for a histogram are ranges of values.
In a normal distribution points on both sides of the average are alike.
The X-axis is the grouped intervals that shows the scale of values in which the measurements lie. This helpful data collection and analysis tool is considered one of the seven basic quality tools. The bar graph is a graphical representation of data that uses bars to compare different categories of data. Bell Shaped Curve.