Create a bar chart for bi-lingual operators

Create a bar chart for bi-lingual operators

Problem Statement

A national survey of companies included whether the company had at least one bi-lingual operator. The sample of 50 companies and the data for this exercise are shown in the attachment.

How to perform analysis

Step 1: Open Sigma Magic
  1. Click on the Sigma Magic button on the Excel toolbar.
  2. Click on the New button to create a new project.
Step 2: Data Preparation
  1. Open the Bi-lingual operator.xlsx attachment
  2. Select the data and convert it to table format by clicking Ctrl-T.


Step 3: Add the analysis tool/template
  1. Click on the Tool Wizard to add the analysis template.
  2. Click on Graph and then Bar Chart.


Step 4:  Specify the analysis options
 A new Bar Chart worksheet will be added to your workbook, and the following dialog box will be opened. Click on the Setup tab on the right. Accept the default values and specify the analysis options.



Next, click on the Data tab and specify the data. Drag and drop the Table2 Responses to the Categorical Variables.



If you need to make changes to the charts, specify the optional settings in the Charts tab.

 Labels:

  • Add a title for the chart.
  • Label the X-axis and Y-axis appropriately.

Appearance:

  • Adjust colors, font sizes, or other visual elements as needed.
  • Enable/disable gridlines or background shading.

Finally, click the Verify tab to ensure all the inputs are okay and shown in a green checkmark.



Step5: Generate analysis results
Click on the OK button to generate analysis results. The following figure shows an example output screen.



How to interpret results

Here are some conclusions we can draw from this analysis:
  1. The majority of responses (76%) are in the "Y" group, indicating that most respondents chose "Yes".
  2. The mode (most frequent category) is Y, with the highest count of 38.
  3. The proportions for the data are as follows:
    1. N: 24% (12 out of 50 responses).
    2. Y: 76% (38 out of 50 responses).
  4. Key values from the data:
    1. Minimum value: 12.
    2. Mean: 25.
    3. Maximum value: 38.

    • Related Articles

    • Bar chart frequently asked questions

      What is a bar chart? A bar chart is a graphical representation of data where individual bars represent different categories or groups. The length or height of each bar is proportional to the value or frequency of the category it represents. When ...

    • Bar chart overview

      A bar graph or a chart is a two-dimensional graph used to illustrate data through rectangles where the dimension or size, in this case, the height or length, is directly proportional to the value for which it presents. The axes of a chart may be ...

    • Create a run chart for company revenue

      Problem Statement The following data represents Apple's quarterly revenue and earnings per share (EPS) from 2007 to 2014. Construct a time series plot of Apple's revenue by quarter. Create a run chart for the revenue over time and determine if the ...

    • GANTT chart frequently asked questions

      What is a Gantt Chart in Sigma Magic? A Gantt Chart in Sigma Magic is a visual project management tool that displays tasks against time. It helps track project progress, deadlines, and dependencies. How do you create a Gantt Chart in Sigma Magic? To ...

    • Pie chart frequently asked questions

      What is a pie chart? A pie chart is a circular chart divided into slices to illustrate numerical proportions. Each slice represents a category’s contribution to the whole, with the size of each slice proportional to the value it represents. When ...