220.127.116.11.3 - Minitab Express: Bar Charts
MinitabExpress – Bar Chart (Raw Data)
This example will use data collected from a sample of students enrolled in online sections of STAT 200 during the Summer 2020 semester. These data can be downloaded as a Minitab Express Project or as a CSV file:
To create a bar graph of the primary campus vairable in Minitab Express:
- Open the data file in Minitab Express
- On a PC: Select GRAPHS> Bar Chart > Counts of Unique Values > Simple
On a Mac: Select Graphs > Bar Chart > Counts of unique values in a categorical variable > Simple
- Double click the variable Primary Campus in the box on the left to insert it into the Categorical variable box on the right
- Click OK
This should result in the bar graph below:
Select your operating system below to see a step-by-step guide for this example.
Summarized Data Section
In the example above, raw data were used. In other words, the Minitab Express file contained one row for each case. It is also possible to use Minitab Express to construct a bar chart with summarized data, for example, if you have data in a frequency table. To do this, on a PC select GRAPHS > Bar Chart > Summarized Data > Simple. On a Mac, select Graphs > Bar Chart > Summarized values for each category in a table > Simple Column of Values: Simple. Enter the column with the counts in the Summary variable box and the names of the categories in the Categorical variable box.