A control chart is a tool used to examine a change in progress over a period of time. A control chart consists of three different lines that determine a historical data. These lines are central line for the average, upper line that determines the lower limit and lastly the upper line that distinguishes an upper limit.
It is not only a control chart that can be used in studying changes in progress, it may include a Gannt Chart or a training chart. Other types of chart may include rate chart that measures the progress of the amount of speed or quantity. To see samples of these charts, see the list below, and don’t forget to download!
Temperature Control Chart
Control Chart Excel
Flow Chart Template
What Is a Control Chart?
A control chart is a very powerful tool that determines a change in progress over a period of time. The data is presented in a manner of time order. A control chart is a medium that helps one to understand the behavior of different processes.
- A control chart is very helpful because it determines if the process in control or is it out of control, with the help of the three basic lines which composes the:
– center line which represents the data’s median or average
– lower line that indicates lower limit
– upper line that upper limit
- A control chart is very helpful in verifying how effective is the change in the process.
It helps to determine if the capability analysis is still is valid to be performed.
- Control charts provides convenient comparison in the shifts in the changes of a process variation and a process mean.
- Control charts are also very essential because they assess performance of process over a period of time.
Aside from control charts, we also have others, like the Run Chart and the Process Chart that you can download for your perusal.
Chart Template in PDF
Blank Control Chart
Sample Control Chart
Types of Charts
With the amount of information accessible to us nowadays, people are faced with information overload. One way of dealing with it is with the use of charts.
- Bar Chart – Shows data in rectangular data with proportional sizes that varies to the value of data they represent. Bar charts is one of the most common way of presenting information.
- Line Chart – Displays information in series of data markers with the use of straight lines.
- Pie Chart – Is also called a circle graph/line that displays an illustration of slices to show proportion.
- Histogram – Shows data of proportional frequency of variables using rectangles as its representation. Histogram usually displays a statistical data.
- Timeline Chart – Displays series of events with the use of bar graph. Each event presented has a corresponding date and time.
- Organizational Chart – This type of chart shows the hierarchical structure of an organization, relative ranks and relationships of a job or position.
- Flow Chart – Is a diagram that displays different processes, identifying phases (represented by shapes) and the order in which they are to be implemented (with the use of arrows).
A Chart come in different ways and in various forms that fits to any type of information, however the use of a specific chat varies accordingly.