A Histogram is a bar chart showing the frequency of an outcome. In Six
Sigma, we can use a histogram to visualize what is going on. A Histogram can
reflect the voice of the process. A histogram is a type of graph that has wide
applications in statistics. Histograms provide a visual interpretation of
numerical data by indicating the number of data points that lie within a range
of values. Can use the pattern reflected in the histogram to discern a process
variation. This is an kind of data visualization. Here, a histogram is useful
in evaluating the shape of the data. A histogram is a snapshot of variation or
distribution, where data are grouped into cells and their frequency represented
as bars. It is a commonly used graph to show frequency distribution. It looks
like a bar chart, but it is different from the bar chart. We can put the data
from the check sheets into a histogram. A histogram is a set of vertical bars
whose areas are proportional to the frequency represented. The histogram helps
in analyzing the capability of a process. The variables being measured are
shown along x-axis and the frequency occurrences of each measurement is charted
along y-axis. A histogram is convenient for large amounts of data particularly
when the range is wide. It gives a picture of the extent of variation. It
highlights unusual areas and indicates probability of particular values
occurring. Histogram depicts the central tendency or mean of the data and its
variation or spread.
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