Question

What is histogram?

Answer 1

Histogram:

A histogram is a graphical representation of a grouped frequency distribution with continuous classes. It is a graphical display of data using bars of different heights.

Certain condition of histogram are:

• The data should be numerical.
• A histogram is used to check the shape of the data distribution.
• Used to check whether the process changes from one period to another.
• Used to determine whether the output is different when it involves two or more processes.
• Used to analyze whether the given process meets the customer requirements.

Thus, a histogram is a graphical representation of a grouped frequency distribution with continuous classes