Frequency Histogram in Excel

What is a Frequency Histogram?

Like a histogram, frequency histograms show the spread or dispersion of data. Rather than sort the values into bins, a frequency histogram has one bin per value.

A frequency histogram in Excel uses variable data to determine process capability. The customer's upper specification (USL) and lower specification limits (LSL) determine how well the process delivers on customer requirements.

In the chart above, there all measurements fall between the LSL and USL which means that the process always delivers on the customer's requirements.

Why Use a Frequency Histogram?

Use a frequency histogram whenever the data has specific values (e.g., 0.65, 0.60, 0.55). This will show exactly how many of each value are in the sample.

Learn More About Frequency Histograms

Process Capability Analysis Quick Reference Card

To create a Frequency Histogram in Excel using the QI Macros...
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