Design4Practice (D4P) Program
To: EGR 186 Students
From: Dr. Ostroha
Re: Histograms – Button Experiment
This assignment is due on Wednesday by the beginning of class.
PART I: Collect Experimental Data
• Measure the diameter of the provided 30 buttons (use mm).
o Follow the instructions presented in class on how to use the digital calipers.
• Record the diameter of each button to 2 decimal places (x.xx).
PART II: Organizing the Data
1. A table with data from your team (30 buttons), your section (300 buttons), and all EGR 186 sections (2,400-3,000 buttons).
2. Histograms (using EXCEL) to show the frequencies of button diameters of your team’s data (30 buttons), your section’s data (300 buttons), and all EGR 186 sections (2,400-3,000 buttons).
You will have 1 table and 3 histograms. Be sure your graphs are appropriately scaled. In other words, do not compare the diameters of your group (30 buttons) to the entire section (300 buttons). If you want to compare 30 buttons to 300, convert to a percentage (%).
PART III: Presenting the Experiment
Write a report to explain the experiment, show the data collected, and discuss the results.
1. Include a cover page with appropriate information.
2. The report must contain a 1) problem statement, 2) methods section, 3) results section, and 4) conclusion (make a conclusion by writing a short paragraph to answer the provided questions).
a. Conclusion: discuss your observations regarding the frequencies of button diameters.
i. Is there a distinct trend or trends? Is/Are the trend(s) similar across all 3 histograms?
ii. Discuss why such a result may have occurred.
PAPER FORMAT NOTES:
• Write your paper in 3RD PERSON! For example, “The data show…”, NOT “I saw a trend in the data…”. In engineering technical papers, the data is the focus (not you…).
• Properly label title and axes of every graph. No legend is required.
• Explain what each graph and table is in the text. Refer to each graph in the text (Figure 1, Figure 2, Table 1, etc.).
• Each graph must also have a caption centered directly BELOW the figure (i.e. Figure 1: Team results of…).
• Each table must have a caption centered directly ABOVE the table (i.e. Table 1: Team results of…).
• Refer to the articles you read for the Tech Comm Project for format, header, figure, table, and caption examples.
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