This slide is about Histogram. Here I discuss about he basic concept of Histogram.

1. Contents
Definition
How do I create a Histogram?
Practical use of Histogram?
Why We use a Histogram?
An example of Ungrouped data
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2. “ A histogram is a display of statistical information that
uses rectangle to show the frequency of data items in
successive numerical intervals of equal size.
Histogram was first introduced by Karl Pearson.
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3. How do I create a Histogram?
 Vertical axis
 Horizontal axis
 Draw a bar
Histograms are useful because they allow
us to glean certain information at a glance.
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4. Practical use of
Histogram?
o Identifying the most common process outcome
o Identifying data symmetry
o Spotting deviations
o Verifying equal distribution
o Spotting areas that require little effort
 Image histogram
 Color histogram
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5. Example of Grouped Data
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Class Interval Frequency
10-15 10
15-20 30
20-25 5

6. 6
Thanks!
Any questions?