“Create a histogram of 86 customer-support ticket resolution times using 2-hour bins from 0 to 12 hours with frequencies 14, 26, 22, 13, 7, and 4.”
Die dahinterstehenden Entscheidungen verstehen.
Measure from ticket creation to resolution.
Group continuous time values into equal ranges.
Compare the distribution with the stated response target.
Use this histogram to explain a numeric distribution before choosing a service-level improvement focus.
Häufige Fragen
What data do I need for a histogram?
You need numeric observations, such as times, scores, sizes, or measurements, or a frequency table for numeric ranges.
What is a bin?
A bin is one numeric interval used to group observations, such as 2–4 hours.
Can I choose the bin width?
Yes. Choose a width that shows the distribution clearly and use equal widths unless there is a reason not to.